4.41.34 \(2 (a-y(x)) (b-y(x)) (c-y(x)) y''(x)+y'(x)^2 ((a-y(x)) (b-y(x))+(a-y(x)) (c-y(x))+(b-y(x)) (c-y(x)))=\text {a0} (a-y(x))^2 (b-y(x))^2 (c-y(x))^2+2 \text {a2} (a-y(x))^2 (c-y(x))^2+\text {a3} (a-y(x))^2 (b-y(x))^2+\text {a1} (b-y(x))^2 (c-y(x))^2\)

ODE
\[ 2 (a-y(x)) (b-y(x)) (c-y(x)) y''(x)+y'(x)^2 ((a-y(x)) (b-y(x))+(a-y(x)) (c-y(x))+(b-y(x)) (c-y(x)))=\text {a0} (a-y(x))^2 (b-y(x))^2 (c-y(x))^2+2 \text {a2} (a-y(x))^2 (c-y(x))^2+\text {a3} (a-y(x))^2 (b-y(x))^2+\text {a1} (b-y(x))^2 (c-y(x))^2 \] ODE Classification

[[_2nd_order, _missing_x]]

Book solution method
TO DO

Mathematica
cpu = 23.8951 (sec), leaf count = 10112

\[\left \{\text {Solve}\left [\frac {2 F\left (\sin ^{-1}\left (\sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right )}}\right )|\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right )}\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-y(x)\right ) \sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right )}} \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-y(x)\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ){}^2 \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right ){}^2}} \sqrt {\text {a1} (b-y(x)) (c-y(x))+y(x) ((y(x)-b) (\text {a0} y(x)-c_1)-2 \text {a2}) (c-y(x))+\text {a3} y(x) (y(x)-b)+a (\text {a3} (b-y(x))+(c-y(x)) (2 \text {a2}+(b-y(x)) (\text {a0} y(x)-c_1)))}}=x+c_2,y(x)\right ],\text {Solve}\left [\frac {2 F\left (\sin ^{-1}\left (\sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right )}}\right )|\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right )}\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right ){}^2 \sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,3\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right )}} \sqrt {\frac {\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-y(x)\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]-y(x)\right )}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ){}^2 \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-y(x)\right ){}^2}}}{\left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,1\right ]\right ) \left (\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,2\right ]-\text {Root}\left [\text {a0} \text {$\#$1}^4+(-a \text {a0}-b \text {a0}-c \text {a0}-c_1) \text {$\#$1}^3+(-\text {a1}-2 \text {a2}-\text {a3}+a \text {a0} b+a \text {a0} c+\text {a0} b c+a c_1+b c_1+c c_1) \text {$\#$1}^2+(2 a \text {a2}+2 c \text {a2}+a \text {a3}+\text {a1} b+\text {a3} b+\text {a1} c-a \text {a0} b c-a b c_1-a c c_1-b c c_1) \text {$\#$1}-a \text {a3} b-2 a \text {a2} c-\text {a1} b c+a b c c_1\& ,4\right ]\right ) \sqrt {\text {a1} (b-y(x)) (c-y(x))+y(x) ((y(x)-b) (\text {a0} y(x)-c_1)-2 \text {a2}) (c-y(x))+\text {a3} y(x) (y(x)-b)+a (\text {a3} (b-y(x))+(c-y(x)) (2 \text {a2}+(b-y(x)) (\text {a0} y(x)-c_1)))}}=x+c_2,y(x)\right ]\right \}\]

Maple
cpu = 2.375 (sec), leaf count = 230999

\[\text {result too large to display}\] Mathematica raw input

DSolve[((a - y[x])*(b - y[x]) + (a - y[x])*(c - y[x]) + (b - y[x])*(c - y[x]))*y'[x]^2 + 2*(a - y[x])*(b - y[x])*(c - y[x])*y''[x] == a3*(a - y[x])^2*(b - y[x])^2 + 2*a2*(a - y[x])^2*(c - y[x])^2 + a1*(b - y[x])^2*(c - y[x])^2 + a0*(a - y[x])^2*(b - y[x])^2*(c - y[x])^2,y[x],x]

Mathematica raw output

{Solve[(2*EllipticF[ArcSin[Sqrt[((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1
] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1
] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1]
 + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - Root[-(
a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c +
 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a
0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c 
- C[1])*#1^3 + a0*#1^4 & , 4])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] 
+ (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] 
- b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] +
 c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - y[x]))/((
Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b +
 a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a
3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b 
- a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*
c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*
c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b
*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*(Ro
ot[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a
1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 
+ a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - 
a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - y[x]))]], ((Root[-(a*a3*b) - 2*a*a2*c - a1*
b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b
*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + 
a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 &
 , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b 
+ a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 
2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0)
 - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*
c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C
[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*
C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & ,
 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + 
a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*
a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) -
 a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4]))/((Root[-(a*a3*b) - 2*a*a2*c - a1*b*
c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C
[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*
C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & ,
 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + 
a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*
a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) -
 a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c 
+ a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1
] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[
1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2
] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3
*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2
 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a
0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4]))]*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c 
+ a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1
] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[
1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1
] - y[x])*Sqrt[((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a
3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 
+ (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 +
 (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*
c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*
c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0
*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0
*#1^4 & , 2])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 
+ a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + 
(-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (
-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3] - y[x]))/((Root[-(a*a3*b) - 
2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - 
a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0
*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1
^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 
+ a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1]
)*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#
1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3])*(Root[-(a*a3*b) - 2*
a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*
a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c
 + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3
 + a0*#1^4 & , 2] - y[x]))]*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (
2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b
*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*
C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4] - y[x]))/((Roo
t[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1
*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 +
 a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a
0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C
[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C
[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[
1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*Sqrt[(
(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b 
+ a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - 
a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b
 - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b
*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a
*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + 
b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2])*(R
oot[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + 
a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3
 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b -
 a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c
*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c
*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*
C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*(Roo
t[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1
*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 +
 a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a
0*c - C[1])*#1^3 + a0*#1^4 & , 1] - y[x])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + 
a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] 
- a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1]
 + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4] 
- y[x]))/((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1
*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1
 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*
a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1
*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*
b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c +
 a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 
& , 4])^2*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1
*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1
 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*
a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - y[x])^2)]*Sqrt[a1*(b - y[x])*(
c - y[x]) + a3*y[x]*(-b + y[x]) + (c - y[x])*y[x]*(-2*a2 + (-b + y[x])*(-C[1] + 
a0*y[x])) + a*(a3*(b - y[x]) + (c - y[x])*(2*a2 + (b - y[x])*(-C[1] + a0*y[x])))
]) == x + C[2], y[x]], Solve[(2*EllipticF[ArcSin[Sqrt[((Root[-(a*a3*b) - 2*a*a2*
c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*
c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0
*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0
*#1^4 & , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 
+ a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + 
(-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (
-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*(Root[-(a*a3*b) - 2*a*a2*c 
- a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c 
- a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b
*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#
1^4 & , 1] - y[x]))/((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 
+ a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1]
)*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#
1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*
a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*
a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c
 + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3
 + a0*#1^4 & , 4])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + 
a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*
#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^
2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - y[x]))]], ((Root[-(a*
a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2
*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*
b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - 
C[1])*#1^3 + a0*#1^4 & , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + 
(2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - 
b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c
*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3])*(Root[-(a*a3
*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a
2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b 
+ a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[
1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2
*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*
c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C
[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4]))/((Root[-(a*a3
*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a
2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b 
+ a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[
1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2
*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*
c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C
[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3])*(Root[-(a*a3*b
) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*
c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + 
a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1]
)*#1^3 + a0*#1^4 & , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a
*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*
C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1
])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4]))]*(Root[-(a*a3*b
) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*
c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + 
a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1]
)*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a
*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*
C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1
])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*(Root[-(a*a3*b) 
- 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c 
- a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*
a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*
#1^3 + a0*#1^4 & , 2] - y[x])^2*Sqrt[((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*
c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*
c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b
*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Ro
ot[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a
1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 
+ a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - 
a0*c - C[1])*#1^3 + a0*#1^4 & , 2])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*
C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*
C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C
[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3] - y[x]
))/((Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a
3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a
2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - 
a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c +
 a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1]
 - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1
] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 3]
)*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*
b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 
- a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0
*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - y[x]))]*Sqrt[((Root[-(a*a3*b) - 2*a*a2
*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b
*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a
0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a
0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3
 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 +
 (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + 
(-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2])*(Root[-(a*a3*b) - 2*a*a2*c
 - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c
 - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*
b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*
#1^4 & , 2] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 +
 a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (
-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-
(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])*(Root[-(a*a3*b) - 2*a*a2*c -
 a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c -
 a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*
c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1
^4 & , 1] - y[x])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a
*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#
1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2
 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4] - y[x]))/((Root[-(a*a3*b
) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*
c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + 
a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1]
)*#1^3 + a0*#1^4 & , 1] - Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a
*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*
C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1
])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 4])^2*(Root[-(a*a3*b
) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*
c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + 
a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1]
)*#1^3 + a0*#1^4 & , 2] - y[x])^2)])/((-Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b
*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a
*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + 
b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 1] + R
oot[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + 
a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3
 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b -
 a0*c - C[1])*#1^3 + a0*#1^4 & , 2])*(Root[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c
*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c
*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 + a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*
C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a0*c - C[1])*#1^3 + a0*#1^4 & , 2] - Roo
t[-(a*a3*b) - 2*a*a2*c - a1*b*c + a*b*c*C[1] + (2*a*a2 + a*a3 + a1*b + a3*b + a1
*c + 2*a2*c - a*a0*b*c - a*b*C[1] - a*c*C[1] - b*c*C[1])*#1 + (-a1 - 2*a2 - a3 +
 a*a0*b + a*a0*c + a0*b*c + a*C[1] + b*C[1] + c*C[1])*#1^2 + (-(a*a0) - a0*b - a
0*c - C[1])*#1^3 + a0*#1^4 & , 4])*Sqrt[a1*(b - y[x])*(c - y[x]) + a3*y[x]*(-b +
 y[x]) + (c - y[x])*y[x]*(-2*a2 + (-b + y[x])*(-C[1] + a0*y[x])) + a*(a3*(b - y[
x]) + (c - y[x])*(2*a2 + (b - y[x])*(-C[1] + a0*y[x])))]) == x + C[2], y[x]]}

Maple raw input

dsolve(2*(a-y(x))*(b-y(x))*(c-y(x))*diff(diff(y(x),x),x)+((a-y(x))*(b-y(x))+(a-y(x))*(c-y(x))+(b-y(x))*(c-y(x)))*diff(y(x),x)^2 = a0*(a-y(x))^2*(b-y(x))^2*(c-y(x))^2+a1*(b-y(x))^2*(c-y(x))^2+2*a2*(a-y(x))^2*(c-y(x))^2+a3*(a-y(x))^2*(b-y(x))^2, y(x))

Maple raw output

[Intat(1/(-4*_a^2*a0*b*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3
/(b-c)^3*ln(_a-b)*b^5*c)-_a^3*a1*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4
*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3
*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/
(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c
)^3*ln(_a-b)*b^4*c)-2*_a^3*a2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(
_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-
a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln
(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3
*ln(_a-b)*b^4*c)-_a^3*a3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*c)-10*_a*a*a2*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-
2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a3*b^2*c
*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^
3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b
*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_C1*_a*a*b+_C1*_a*a*c+_C1*_a*b*c-_C1*a*b*c-
_C1*_a^2*a+_a^3*_C1-2*_a^2*a1*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3
*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3
/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a1*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(
b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a2*c^2*(-c^3/(b-c)^2/(a-c
)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)
^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^
2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a3*b^2*(-c^
3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3
/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/
(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a
^3*a*a2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*
a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b
-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*c)+2*_a^3*a*a3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*
a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*c)+2*_a^3*a1*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(
a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a1*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a^3*a2*c*(-c^3/(b-c)^2/(a-c)^2/(_
a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a
-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-
b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a3*b*(-c^3/(b-c)^
2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2
/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/
(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a
*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a^2*a
2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*
b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c
)-2*_a^2*a^2*a3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a
-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*c)+_a^2*a0*b*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*l
n(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*
c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln
(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(
a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(
_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/
(a-b)^3/(b-c)^3*ln(_a-b)*c)+_a^2*a0*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)
^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*l
n(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^
3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-
a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3
/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(
_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+_a^2*a*a0*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)
+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)
^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+
2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a
-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4
*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3
/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+2*_a*a*a1*b^3*c*(-c/(b-c)^2/
(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(
b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a
-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)
^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b
)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a*a1*b^2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-
c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)
^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)
*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*l
n(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b
)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a*a1*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(
a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*
b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_
a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3
/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/
(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln
(_a-b)*c*b)+4*_a*a*a2*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c
)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a
-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a
-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^
3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*
_a*a*a3*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^
3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)
*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*l
n(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c
)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c
+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a^2*a0*b*
c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*
ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-
c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*
b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^
2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3
/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a*a0*b^2*c^2*(-c/(b
-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a
*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)
^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^
3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1
/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*l
n(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^3*a0*b^2*c*(-c/(b-c)^2/(a-c
)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)
^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(
b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^3*a0*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)
+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3
*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/
(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a
*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(
_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^
3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^2*a0*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*
c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)
^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*
ln(_a-b)*c*b)-6*_a^2*a^2*a0*b^2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3
*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b
-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a
^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)
^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^
3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)
*c*b)-2*_a^2*a^2*a0*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*
a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c
)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)
^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a
)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*
ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a
^2*a*a0*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c
)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3
*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b
-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a
*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a*a0*b^
2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^
3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(
a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b
)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)
^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a0*b^3*c*(-c/(b
-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a
*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)
^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^
3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1
/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*l
n(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^3*a0*b^2*c^2*(-c/(b-c)^2/(a-c
)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)
^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(
b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a0*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1
/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*l
n(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a
-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/
(b-c)^3*ln(_a-b)*c*b)+4*_a*a^2*a0*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(
a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*
b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_
a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3
/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/
(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln
(_a-b)*c*b)+4*_a*a^2*a0*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(
_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^
3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1
/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*l
n(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b
-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b
)+_a^2*a*a1*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^
2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+2
*_a^2*a*a2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2
/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*
_a^3*a^2*a2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3
*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a^2*a3*(-c^2/(b-c)^2/(a-c)^
2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-
c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*
c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^
3*ln(_a-b)*b^3)-_a^3*a1*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a
-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2
/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a1*c^2*(-c^
2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-
c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+
2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a^3*a2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-
c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(
_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^
2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
)-_a^3*a3*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)
^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^3*a2*(-c^2/(b-c)^2/(a
-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2
/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a
)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3)+_a^2*a^3*a3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*l
n(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-
b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a0*(_a-
c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c
)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a
^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*l
n(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^
6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*
ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+_a
^2*a*a3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^
3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*
b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*
a1*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a
)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4
*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a1*
c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-
4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+2*_a^2*a2*b
*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+2*_a^2*a2*c*
(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^
3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(
a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a3*b*(-c
^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*l
n(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a3*c*(-c^4/
(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3
/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a
-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a^2*a0*(-c^4/(
b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a0*b^2*(-c^4/(b
-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a0*c^2*(-c^4/(b-
c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a^3*a0*(-c^4/(b-c
)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-
c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a0*b^3*(-c^4/(b-c)
^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c
)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a0*c^3*(-c^4/(b-c)^
2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-5*_a*a^3*a0*b*c^2*(-c^2/(
b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^
3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^2*a0*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/
(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)
^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3)-12*_a*a^2*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*
c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-
b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^2*a0*b*c^3*(-
c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(
a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*
c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-10*_a*a^2*a2*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+
2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b
)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(
b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^3)-5*_a*a^2*a3*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c
*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b
)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a1*b^2*c*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a1*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/
(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)
^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3)+4*a^2*a3*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-
2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(
b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a*a1*b^3*c*(-c^2/(b-c)^2/(
a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^
2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-
a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3)+4*a*a1*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)
^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/
(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a*a1*b*c
^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b
)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)
*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*a*a2*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)
+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-
b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/
(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^3)+a*a3*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b
-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/
(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^3*a0*c^2*(-c^2/(b-
c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^2*a0*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^
3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-
a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(
a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_
a^2*a^2*a0*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c
)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a0*b^3*c^2*(-c^2/(b-c)^2
/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-
a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_
a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3)+_a^2*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a
-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)
^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a^
3*a0*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+
2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln
(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a^3*a0*c^3*(-c^2/(b-c)^2/(a-c)^2
/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c
)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3)-_a*a0*b^3*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-
2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a^3*a0*b^3*c*(-
c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(
a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*
c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^3*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+
2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b
)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(
b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^3)+a^3*a0*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*
b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3
/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^2*a0*b^3*c^2*(-c^2/(
b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^
3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^2*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-
c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(
_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^
2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
)+a*a0*b^3*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c
)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-8*_a^3*a*a2*c*(-c^2/(b-c)^2/(
a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^
2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-
a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3)-4*_a^3*a*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^
3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(
_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a1
*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a
-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-
b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^2*a2*b*(-c^2/(b-c)^2/(a-c)^2/(
_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^
2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b
-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3)-2*_a^2*a0*b^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)
^3/(b-c)^3*ln(_a-b)*b^5*c)-2*_a^2*a0*c^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_
a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(
a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*
a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b
-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-
b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a^3*a*a0*(-c^5/(b-c)^2/(a-c)^2/(_a-c
)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)
+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b
-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a^3*a0*b*(-c^5/(b-c)^2/(
a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*
a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a
-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(
a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-
b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a^3*a0*c*(-c
^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^
5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-
a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5
/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*_
a^2*a^2*a0*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-
c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/
(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-
a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a
-b)*b^5*c)+_a^2*a1*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c
*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b
)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a1*c^3*(-c^2/(b-
c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/
(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)
-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-
b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^
2*a3*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+
2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln
(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^2*a^2*a0*c^2*(-c^3/(b-c)^2/(a-
c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b
)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)
^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a*a0*b^3*(
-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-
a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b
^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(
_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2
*_a^2*a*a0*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-
b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3*c)-2*_a^2*a0*b^3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a0*b^2*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a0*b*c^3*(-c^3/(b-c)^2/(
a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a
-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-
b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^3*a0*b^2
*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b
-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*l
n(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)
+2*_a*a^3*a0*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*
ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*c)+2*_a*a^2*a0*b^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*
ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3
*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/
(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln
(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a0*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a0*b^3*c^2*(-c^3/(b-c)^2/(
a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a
-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-
b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a0*b^2*c^3
*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b
-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*l
n(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)
-2*a^3*a0*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a
-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*c)-2*_a^2*a*a1*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-
b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a*a1*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a*a2*b*(-c^3/(b-c)^2/(a-c)^2/
(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(
_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_
a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-8*_a^2*a*a2*c*(-c^3/(b
-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-
c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c
)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a
*a3*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^
2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b
^3*c)-2*_a^2*a*a3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*
a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*c)+4*_a^2*a*a1*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)
^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/
(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+8*_a^2*a
*a2*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2
/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(
_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a^2*a*a3*b*c*(-c^2/(b-c)^2/(a-c)^
2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-
c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*
c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^
3*ln(_a-b)*b^3)-4*_a^3*a^2*a0*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3
*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_
a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a*a
0*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2
/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(
_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a*a0*b*c^2*(-c^2/(b-c)^2/(a-c
)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3)+4*_a^2*a^3*a0*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)
^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/
(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_C1*_a^2
*b-_C1*_a^2*c+4*_a*a*a0*b*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-
b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a*a1*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+8*_a*a*a2*b*c*(-c^3/(b-c)^2/(a-c)^2/
(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(
_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_
a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a*a3*b*c*(-c^3/(b
-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-
c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c
)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a
^2*a0*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*
a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b
-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*c)+2*_a^3*a^2*a0*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c
)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(
a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3*c)-2*a^3*a0*b*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a
-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a^2*a0*b^3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-
c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a
)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)
+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-8*a^2*a0*b^2*c^2*(-c^3/(b-
c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c
)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)
^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a^2*a0*
b*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^
2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b
^3*c)-2*a*a0*b^3*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2
*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c
)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a
-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3*c)-2*a*a0*b^2*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)
^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c
+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a1*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3
/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a2*b*c*(-c^3/(b-c)^2/(a
-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-
b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b
)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1
/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a3*b*c*(-
c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a
^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a
-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^
3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_
a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*
_a*a^2*a2*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*c)+4*_a*a^2*a2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c
)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*
b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a3*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(
a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-
c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a
)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)
+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a*a1*b^2*(-c^3/(b-c)^
2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2
/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/
(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a
*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a*a1*c^
2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*
b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c
)+4*_a*a*a2*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a
-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*c)+2*_a*a*a3*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-
b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a1*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a1*b*c^2*(-c^3/(b-c)^2/(a-c)^2/
(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(
_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_
a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a2*b*c^2*(-c^3/(b
-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-
c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c
)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a3*
b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^
2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b
^3*c)-4*a^2*a2*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a
*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^
3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*c)-2*a^2*a3*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(
a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a1*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c
)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)
^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a
-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln
(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a1*b*c^2*(-c^3/(b-c)^2/(a-c)^2/
(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(
_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_
a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*a*a2*b*c^2*(-c^3/(b-
c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c
)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)
^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a3*b^
2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*
c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^
3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*c)+2*_a^3*a*a0*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*
a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*c)+2*_a^3*a*a0*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)
^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c
+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a0*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)
+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a0*b*c^2*(-c^3/(b-c)^
2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2
/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/
(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a
*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a^3*a
0*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*
c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^
3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*c)-2*_a^2*a^3*a0*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*
a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*c)-4*_a^2*a^2*a0*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*
b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+8*_a^3*a*a0*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-
c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a
)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)
+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-12*_a^2*a^2*a0*b*c*(-c^3/(
b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a
-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-
c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*
b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-12*_a^2
*a*a0*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*c)-12*_a^2*a*a0*b*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a^3*a0*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b
-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+12*_a*a^2*a0*b^2*c*(-c^3/(b-c)^2/
(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3
*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(
a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a
-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c
+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+12*_a*a^2*a0*b
*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c
)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2
*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)
^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3*c)+4*_a*a*a0*b^3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2
*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c
)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a
-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3*c)+12*_a*a*a0*b^2*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(
a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^3*a*a0*b*(-c^4/(b-c)^2/(a-c)^2/(_a-
c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3
/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^
4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c
)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b
^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a^3*a*a0*c*(-c^4/(b-c)^2/(a-c)^2/(_a
-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^
3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-
c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*
b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a^3*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_
a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b
-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a^2*a0*b*(-c^4/(b-c)^2/(a-c)^2
/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-
a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4
/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a^2*a0*c*(-c^4/(b-c)^2/(a-c
)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2
/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-
b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln
(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a*a0*b^2*(-c^4/(b-c)^2/(
a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*
a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*
ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c
*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a*a0*c^2*(-c^4/(b-c)^
2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+10*_a^2*a^2*a2*c*(-c^2/(b
-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3
*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a^2*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)
^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a
-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/
(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+
_a^2*a^2*a3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)
^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a*a1*b^2*(-c^2/(b-c)^2/(a
-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2
/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a
)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3)+_a^2*a*a1*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3
*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_
a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+10*_a^2*a*
a2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/
(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_
a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a*a3*b^2*(-c^2/(b-c)^2/(a-c)^2
/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c
)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3)+5*_a^2*a1*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln
(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b
)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a1*b*c
^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b
)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)
*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a2*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a
-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/
(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b
^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3)+_a^2*a3*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)
*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a
-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a^3*a2*b*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a^3*a2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2
/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)
-_a*a^3*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^
3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a^3*a3*c*(-c^2/(b-c)^2/(a-c)
^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a
*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3)-_a^3*a^2*a0*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*
ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)
^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a
-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a^2*a0
*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a
-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-
b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(
_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^
2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b
-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3)+_a^2*a^3*a0*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-
2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-8*_a*a^2*a2*c^2
*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^
3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b
*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a*a^2*a3*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c
)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a
-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2
/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3)-_a*a*a1*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a
*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^
3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a*a1*c^3*(-c^2/(b-c)
^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln
(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)
^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a*a2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a
-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)
^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a*
a3*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/
(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_
a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a1*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a
-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/
(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b
^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3)-4*_a*a1*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-
c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/
(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a1*b*c^3*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a2*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2
/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)
-_a*a3*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^
3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*a^3*a2*b*c*(-c^2/(b-c)^2/(a-c
)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3)+a^3*a3*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-
2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+8*a^2*a2*b*c^2*
(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3
/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*
a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+6*_a*a*a0*b*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5
/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*
ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*a^3*a2*b*c^3*(-1/(b-c)^2/(a-
c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/
(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)
^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a
-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)
*a)+a^3*a3*b^3*c*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)
^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a
-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)
*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a
-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+a*a1*b^3*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)
*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a
-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln
(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+a^3*a0*b^3*c
^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(
_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*
ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(
a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^
3/(b-c)^3*ln(_a-b)*a)-2*_a^3*a^2*a2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-
c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c
)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(
a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-
2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a^3*a^2*a3*b^2*(-1/(
b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+
2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)
*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(
_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^
3*ln(_a-b)*a)-_a^3*a1*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a
-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^
2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-
c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/
(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a^2*a^3*a3*b*(-c/(b-c)^2/(a-
c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c
)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)
-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3
*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/
(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-8*_a^2*a^2*a2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+
1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*
ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(
a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*
c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_
a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3
/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^2*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a
-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b
-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/
(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(
a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(
_a-b)*c*b)-4*_a^2*a*a2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-
a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_
a^2*a*a3*b^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln
(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)
^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a1*b^3*c*(
-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a
-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/
(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a
-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a1*b^2*c^2*(-c/(b-c)^2/(
a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b
-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-
a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)
^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^
3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-9*_a*a*a0*b^2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c
)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4
*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)
^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-9*_a*a*a0*b*c^2*(-c^4/(b-c)^2/(a-c)^2/(_
a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b
-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a^2*a1*b*c^3*(-c/(b-c)^2/(a-c)^2/(
_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a
-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-
b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a
-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^
3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(
a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^3*a2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^
3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)
*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b
)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b
-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3
*ln(_a-b)*c*b)+2*_a*a^3*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_
a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3
/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/
(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln
(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-
c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)
+4*_a*a^2*a2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-
c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a
-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(
b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*
a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^2*a3*b
^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*l
n(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c
)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b
+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2
/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/
(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a1*b^3*c^2*(-c/(b-c)^2
/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/
(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_
a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-
c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b
)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a1*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c
)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^
3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln
(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)
^3/(b-c)^3*ln(_a-b)*c*b)+4*_a^3*a^2*a2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a
-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b
-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/
(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(
a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(
_a-b)*c*b)+2*_a^3*a^2*a3*b*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-
a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*a
^3*a2*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/
(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c
^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(
_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^
2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^3*a3*b^2*c*(-c
/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c
)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a
-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b
)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^
3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*a^2*a2*b*c^3*(-c/(b-c)^2/(a-c)^
2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3
/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/
(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln
(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-
c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-
1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^2*a3*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c
)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-
c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3
*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a
-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a
*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)
^3*ln(_a-b)*c*b)-2*a*a1*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(
_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^
3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1
/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*l
n(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b
-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b
)-2*a*a1*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-
c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a
-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(
b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*
a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^3*a0*b^3*
c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*
ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-
c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*
b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^
2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3
/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^3*a0*b^2*c^3*(-c/(b-c)
^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+
1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/
(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(
a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a
-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_
a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^2*a0*b^3*c^3*(-c/(b-c)^2/(a-c)^2/(_
a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-
c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b
)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-
a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a
-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a^3*a*a2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*
c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)
^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*
ln(_a-b)*c*b)+2*_a^3*a*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a
-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(
_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c
)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+
2*_a^3*a1*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c
)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3
*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b
-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a
*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a1*b*c^
2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln
(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)
^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+
1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/
(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(
b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^3*a2*c*(-c/(b-c)^2/
(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(
b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a
-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)
^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b
)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-5*_a*a*a0*b^3*c^2*(-c^2/(b-c)^2/(a-c)^2/(_
a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2
/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-
b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^3)-5*_a*a*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(
_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)
-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a*a0*b*(_a-
c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c
)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a
^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*l
n(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^
6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*
ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)-_a
*a*a0*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/
(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^
3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)
^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(
_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b
)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln
(_a-b)*c)-_a*a0*b*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c
)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b
-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)
-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3
/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*
a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^
3/(b-c)^3*ln(_a-b)*c)+a*a0*b*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c
)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)
*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)
^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*
a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^
3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4
*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)-_a*a^2*a3*b^3*c*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)
*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a
-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln
(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a^3*a^2*a0*
b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^
3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-
c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c
)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(
a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^3*a0*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a
-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a
)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_
a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a0*b^
3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*
ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)
^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^
2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-
b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a0*b^2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^
3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1
/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*
c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-
b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^3*a0*b^3*c^
2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_
a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*l
n(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a
-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3
/(b-c)^3*ln(_a-b)*a)-_a*a^3*a0*b^2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c
)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)
^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a
-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2
/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^2*a0*b^3*c^3*(-1/
(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c
+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a
)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/
(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)
^3*ln(_a-b)*a)+12*_a^2*a*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*
b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*
ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)
^3*ln(_a-b)*b^4*c)-9*_a*a^2*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+
2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a0*b^2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-
b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a0*b*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3
/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(
_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b
)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a^3*a0*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_
a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a^3*a0*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a
-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a*a^2*a0*b^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(
_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/
(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a*a^2*a0*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-
b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)
^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/
(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a1*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(
_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/
(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a1*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a
-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a*a*a2*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-
b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*c)-2*_a*a*a2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-
c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b
)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a3*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4*c)-_a*a*a3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b
-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*l
n(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a
-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4*c)-_a*a1*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^
4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_
a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^4*c)-2*_a*a2*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-
c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4
/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a
-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^4*c)-_a*a3*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)+a*a1*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^
2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4
*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)
^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*
b^4*c)+2*a*a2*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*
b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/
(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c
+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3
*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
4*c)+a*a3*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/
(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b
)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)
-_a*a*a0*b^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-
_a*a*a0*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^
2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_
a*a0*b^3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2
/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*
_a*a0*b^2*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/
(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b
)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)
-_a*a0*b*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+
a^3*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2
/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+4*
a^2*a0*b^2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+
4*a^2*a0*b*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2
/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-
b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c
)+a*a0*b^3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+
4*a*a0*b^2*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2
/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-
b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c
)+a*a0*b*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+
2*_a*a*a0*b^3*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b
-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_
a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)
^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/
(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)
*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a^2*a
0*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c
)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a
/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a
)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a
-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-
b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^2*a2*b*c*(-c/
(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-
b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)
-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^2*a3*b*c*(-c/(b-c)^2/(a-c
)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)
^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(
b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a*a1*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1
/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*l
n(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a
-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/
(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a*a1*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-
c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-
3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-
a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(
a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a
-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_
a-b)*c*b)-4*_a^2*a*a2*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c
)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a
-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a
-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^
3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*
_a^2*a*a3*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c
)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3
*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b
-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a
*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^3*a2*b*
c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln
(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)
^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+
1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/
(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(
b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a3*b*c*(-c/(b-c)^2/
(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(
b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a
-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)
^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b
)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+8*_a*a^2*a2*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-
c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)
^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)
*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*l
n(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b
)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^2*a3*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*
c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)
^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*
ln(_a-b)*c*b)+9*_a^2*a^2*a0*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3
*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_
a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+9*_a^2*a^2
*a0*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*l
n(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a^2*a*a0*b^3*c*(-c^2/(b-c)^2/(a
-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2
/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a
)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3)+9*_a^2*a*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b
)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a
^2*a*a0*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)
^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^3*a0*b^2*c*(-c^2/(b-c)^
2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3
-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(
_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^3*a2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a
-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2
/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*
b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^3*a3*b^2*(-1
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*
c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-
a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2
/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c
)^3*ln(_a-b)*a)+2*_a^2*a^2*a2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*l
n(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a
-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3
/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b
)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a3*b^3*(-1/(b-c)^2
/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c
)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(
a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+
4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_
a-b)*a)+_a^2*a1*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-
4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-
a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*l
n(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^
3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a1*b^2*c^3*(-1/(b-c)^2/(a-c)^2/(
_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^
3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-
c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/
(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*
_a*a^3*a2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/
(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)
^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-
1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)
*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^3*a3*b^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a
-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a
)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_
a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a1*b^3*c^3*
(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-
c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(
_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b
)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(
b-c)^3*ln(_a-b)*a)+2*_a*a^2*a0*b*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5
*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln
(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a^2*a0*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^
3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(
_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b
)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a*a0*b^2*(-c^5/(b-c)^2/(a-c)
^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^
2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)
^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2
/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a*a0*c^2*(-c^5
/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/
(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)
*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(
b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*
a0*b^2*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(
_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b
)*b^5*c)+2*_a*a0*b*c^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5
*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(
b-c)^3*ln(_a-b)*b^5*c)-2*a^2*a0*b*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c
+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*a*a0*b^2*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/
(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c
)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a
-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^
3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*a*a0*b*c^2*(-c^5/(b-c)^2/(a-c
)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3
/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)
^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b
)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^
2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-4*_a^2*a*a0*b*(-c^
5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5
/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a
)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/
(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-4*_a
^2*a*a0*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c
)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(
a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^5*c)-_a*a*a1*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*
b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_
a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3
*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c
)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a*a1*b^2*c^3*(-1/(b-c)^2/(a-c)^2
/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c
)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(
a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^
3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+
2*_a^2*a^2*a2*b*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b
-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4
/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a
-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln
(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a3*b^2*c*(-1/(b-c)^2/(a-c)^2/(_a
-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*
ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)
^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b
-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2
*a*a1*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/
(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)
^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-
1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)
*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a*a^3*a2*b*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/
(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-
c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(
_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*
ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^3*a3*
b^2*c*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*
ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)
^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^
2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-
b)^3/(b-c)^3*ln(_a-b)*a)-2*_a*a^2*a2*b*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/
(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(
a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+
2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)
*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a))^(1/2),_a = y(x))-
x-_C2 = 0, Intat(-1/(-4*_a^2*a0*b*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c
+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^
6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-_a^3*a1*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)
^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*l
n(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^
2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a^3*a2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/
(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3
/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(
_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b
)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c
)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)
+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*c)-10*_a*a*a2*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b
)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a
*a*a3*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3
*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_C1*_a*a*b+_C1*_a*a*c+_C1*_a*b*c
-_C1*a*b*c-_C1*_a^2*a+_a^3*_C1-2*_a^2*a1*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c
)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)
^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a
-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln
(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a1*c^2*(-c^3/(b-c)^2/(a-c)^2
/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/
(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(
_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b
)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a2*c^2*(-c^3/(
b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a
-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-
c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*
b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*
a3*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a
^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-
c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*
b^3*c)+4*_a^3*a*a2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a
*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^
3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*c)+2*_a^3*a*a3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a1*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^
3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a1*c*(-c^3/(b-c)^2/(a-c)^2/(_a
-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-
a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b
)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a^3*a2*c*(-c^3/(b-c)^2
/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/
(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(
a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*
c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a3*b*(
-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-
a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b
^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(
_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4
*_a^2*a^2*a2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_
a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)
^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*c)-2*_a^2*a^2*a3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^3*c)+_a^2*a0*b*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^
3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln
(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3
/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a
)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/
(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_
a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+_a^2*a0*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+
6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^
3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2
*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-
c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*
b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/
(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+_a^2*a*a0*(_a-c^6/(b-c)^2/(a-
c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-
4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b
)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6
/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)
^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*
b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+2*_a*a*a1*b^3*c*(
-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a
-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/
(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a
-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a*a1*b^2*c^2*(-c/(b-c)^2/(
a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b
-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-
a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)
^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^
3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a*a1*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+
1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*
ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(
a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*
c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_
a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3
/(b-c)^3*ln(_a-b)*c*b)+4*_a*a*a2*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c
)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3
/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a
)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a
-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-
b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a
-b)*c*b)+2*_a*a*a3*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a
*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)
^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^
3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)
*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*l
n(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^
3*a^2*a0*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)
^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c
)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-
c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*
c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a*a0*b^2
*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3
*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a
-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a
*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)
^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^3*a0*b^2*c*(-c/(
b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*
a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b
)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)
^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^3*a0*b*c^2*(-c/(b-c)^2/(a-
c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c
)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)
-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3
*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/
(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^2*a0*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c
)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^
3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln
(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)
^3/(b-c)^3*ln(_a-b)*c*b)-6*_a^2*a^2*a0*b^2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c
)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-
c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3
*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a
-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a
*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)
^3*ln(_a-b)*c*b)-2*_a^2*a^2*a0*b*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^
3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(
b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*
a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c
)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)
^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b
)*c*b)-2*_a^2*a*a0*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-
a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_
a^2*a*a0*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-
c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a
-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(
b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*
a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a0*b
^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3
*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a
-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a
*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)
^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^3*a0*b^2*c^2*(-c/(
b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*
a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b
)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)
^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a0*b*c^3*(-c/(b-c)^2/(a-c)
^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^
3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3
/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*l
n(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b
-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2
-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^2*a0*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+
1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*
ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(
a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*
c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_
a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3
/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^2*a0*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/
(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c
*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(
_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^
3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1
/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*l
n(_a-b)*c*b)+_a^2*a*a1*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-
c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*c)+2*_a^2*a*a2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c
)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4*c)-2*_a^3*a^2*a2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c
*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b
)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a^2*a3*(-c^2/(b-
c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a1*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a
-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)
^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*
a1*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/
(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_
a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a^3*a2*c^2*(-c^2/(b-c)^2/(a-c)^2/(
_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^
2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b
-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3)-_a^3*a3*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)
*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a
-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^3*a2*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^3*a3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^
3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-
a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(
a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_
a^3*a0*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(
b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3
*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^
3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_
a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)
^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(
_a-b)*c)+_a^2*a*a3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a
*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2
/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*
c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b
^4*c)+_a^2*a1*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-
2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a
-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4
/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*
c)+_a^2*a1*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+
2*_a^2*a2*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^
2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+2
*_a^2*a2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-
c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2
/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a
^2*a3*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^
3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*
b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*
a3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a
)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4
*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a^2
*a0*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a
-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)
-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*
a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a0*b
^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a
-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a^3*a0*c^
2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-
4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a^3*a0
*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a0*b^3*
(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^
3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(
a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+_a^2*a0*c^3*(
-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-5*_a*a^3*a0*b*
c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-
b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b
)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^2*a0*b^3*c*(-c^2/(b-c)^2/(a-c)^2/
(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)
^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*
b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3)-12*_a*a^2*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^
3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(
_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^2*
a0*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+
2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln
(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-10*_a*a^2*a2*b*c*(-c^2/(b-c)^2/(a-c
)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3)-5*_a*a^2*a3*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3
*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_
a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a1*
b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a
-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a1*b*c^2*(-c^2/(b-c)^2/(a-c)^2/
(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)
^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*
b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3)+4*a^2*a3*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-
2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a*a1*b^3*c*(-c^
2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-
c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+
2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a*a1*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/
(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)
^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3)+a*a1*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)
^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*a*a2*b*c^3*(-c^2/(b-c)^2/(a-
c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/
(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)
*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-
c)^3*ln(_a-b)*b^3)+a*a3*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(
_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)
-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^3*a0*c^
2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)
^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*
b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^2*a0*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-
c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(
a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^
2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3)+_a^2*a^2*a0*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c
)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(
a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a0*b^3*c^2*(-
c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(
a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*
c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2
/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b
-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3)-_a*a^3*a0*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*
b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3
/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a^3*a0*c^3*(-c^2/(b-c
)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*l
n(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a0*b^3*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b
)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a^3*
a0*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+
2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln
(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^3*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c
)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c
)^3*ln(_a-b)*b^3)+a^3*a0*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln
(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b
)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^2*a0*b^3*
c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-
b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b
)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*a^2*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(
_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^
2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b
-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3)+a*a0*b^3*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c
)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c
)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(
a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-8*_a^3*a*a2*c*(-c^
2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-
c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+
2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-
c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(
_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^
2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
)-4*_a^3*a1*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/
(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-
c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^2*a2*b*(-c^2/(b-c)^
2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3
-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(
_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3)-2*_a^2*a0*b^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c
)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c
)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5
*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)
^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*
b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*_a^2*a0*c^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)
+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(
a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+
1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^
3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-
c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a^3*a*a0*(-c^5/(b-c)^2/(a
-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a
-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-
b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b
)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1
/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a^3*a0*b*(-c^
5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5
/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a
)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/
(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a
^3*a0*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^
3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-
c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b
-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^5*c)-2*_a^2*a^2*a0*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6
-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-
c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*
a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b
-c)^3*ln(_a-b)*b^5*c)+_a^2*a1*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3
*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_
a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a1*c^
3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)
^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*
b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)
+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-
b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/
(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^3)+_a^2*a3*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*
b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln
(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3
/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^2*a^2*a0*c^2*(-c^3/
(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(
a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b
-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2
*a*a0*b^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(
a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a
)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/
(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-
b)*b^3*c)-2*_a^2*a*a0*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c
)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*
b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a0*b^3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3
/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(
_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a0*b^2*c^2*(-c^3/(b-c)^2/(a-c)^
2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2
/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/
(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a0*b*c^3*(-c^
3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3
/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/
(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a
*a^3*a0*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*c)+2*_a*a^3*a0*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a
-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/
(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)
^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b
)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a0*b^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)
^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a0*c^3*(-c^3/(b-c)^2/(a-c)^
2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2
/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/
(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a0*b^3*c^2*(-c^
3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3
/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/
(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a
*a0*b^2*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^
3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*c)-2*a^3*a0*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a*a1*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^2*a*a1*c*(-c^3/(b-c)^2/(a-c)^2/(_a
-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-
a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b
)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a*a2*b*(-c^3/(b-c)
^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^
2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b
-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2
/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*
a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-8*_a^2*a*a2
*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c
*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*
c)-4*_a^2*a*a3*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*
ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*c)-2*_a^2*a*a3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a^2*a*a1*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/
(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)
^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3)+8*_a^2*a*a2*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b
-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/
(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a^2*a*a3*b*c*(-c^2/(b-
c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a^2*a0*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2
/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)
-4*_a^3*a*a0*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b
-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/
(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a^3*a*a0*b*c^2*(-c^2/(
b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^
3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a^2*a^3*a0*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b
-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/
(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)
^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3)-_C1*_a^2*b-_C1*_a^2*c+4*_a*a*a0*b*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a*a1*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a
-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-
a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b
)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+8*_a*a*a2*b*c*(-c^3/(b-c)
^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^
2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b
-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2
/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*
a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a*a3*b
*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c
*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*
c)+2*_a^3*a^2*a0*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a
*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^
3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3
/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*c)+2*_a^3*a^2*a0*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^
3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4
+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a^3*a0*b*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3
/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)
^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a^2*a0*b^3*c*(-c^3/(b-c)^2/(
a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a
-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-
b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-8*a^2*a0*b^2*c^
2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*
b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c
)-2*a^2*a0*b*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*
ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*c)-2*a*a0*b^3*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(
a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a0*b^2*c^3*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b
-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a1*b*c*(-c^3/(b-c)^2/(a-c)
^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/
(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^
2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)
^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2
/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a2*b*c*(-c^3
/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(
_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/
(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(
b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b
)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*_a^
2*a3*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(
_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)
*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(
b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b
)*b^3*c)+4*_a*a^2*a2*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c
^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3*c)+4*_a*a^2*a2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c
)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*
c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^
3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b
^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a3*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+
3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a^2*a3*c*(-c^3/(b-c)^2/(
a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a
-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-
b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a*a1*b^2*(
-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-
a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b
^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(
_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2
*_a*a*a1*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_
a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)
^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*c)+4*_a*a*a2*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(
b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a*a3*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a1*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a
-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-
a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-
c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b
)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a*a1*b*c^2*(-c^3/(b-c)
^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^
2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b
-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2
/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*
a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a2*b*c
^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c
*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*
c)+2*_a*a3*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*
ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*c)-4*a^2*a2*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-
b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a^2*a3*b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^
3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3
/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a
)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a1*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_
a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a
-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a
-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-
b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2*a*a1*b*c^2*(-c^3/(b-c)
^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^
2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b
-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2
/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*
a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*a*a2*b*c^
2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*
b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c
)-2*a*a3*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-
b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3*c)+2*_a^3*a*a0*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a*a0*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b
-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a0*b^2*c*(-c^3/(b-c)^2/(a-
c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b
)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)
^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+2*_a^3*a0*b*c^2*(
-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3
*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-
a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b
^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(
_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-2
*_a^2*a^3*a0*b*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b
)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln
(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-
b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*l
n(_a-b)*b^3*c)-2*_a^2*a^3*a0*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln
(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b
-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a
-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_
a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^2*a^2*a0*b^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+8*_a^3*a*a0*b*c*(-c^3/(b-c)^2/(
a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a
-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(
a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-
b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+
1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-12*_a^2*a^2*a0*
b*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*
c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^
3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*c)-12*_a^2*a*a0*b^2*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c
^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^
4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3*c)-12*_a^2*a*a0*b*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3
/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(
_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(
b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+4*_a*a^3*a0*b*c*(-c^3/(b-c)^2/(a-c)^2/
(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(
_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/
(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_
a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+12*_a*a^2*a0*b^2*c*(-c
^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^
3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3
/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a
-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+12*
_a*a^2*a0*b*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-
1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*l
n(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a
-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*c)+4*_a*a*a0*b^3*c*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*
b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1/(a-b)^3/(a-c)^3*ln
(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c+3/(
a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^4+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)+12*_a*a*a0*b^2*c^2*(-c^3/(b-c)^2/(a-c)^2/(_a-c)+
3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2*a*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a-1/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*b-1/(b-c)^3/(a-c)^3*ln(_a-c)*c^4-a^3/(a-c)^2/(a-b)^2/(_a-a)-1
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4-1/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*b-1/(a-b)^3/(a-c)^3
*ln(_a-a)*a^3*c+3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2*c*b-b^3/(b-c)^2/(a-b)^2/(_a-b)+1/
(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a-3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2*a*c+1/(a-b)^3/(b-c
)^3*ln(_a-b)*b^4+1/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*c)-4*_a^3*a*a0*b*(-c^4/(b-c)^2/(
a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*
a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*
ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c
*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3
*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a^3*a*a0*c*(-c^4/(b-c)^2/
(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4
*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3
*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*
c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^
3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a^3*a0*b*c*(-c^4/(b-c)^2
/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a^2*a0*b*(-c^4/(b-c
)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)
*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-
c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*
a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a^2*a0*c*(-c^4/(
b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/
(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a*a0*b^2*(-c^
4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln
(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)
^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(
_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a*a0*c^2*(
-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*
ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+10*_a^2*a^2*a2
*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b
)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)
*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a^2*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a
-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/
(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b
^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^3)+_a^2*a^2*a3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)
*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a
-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a*a1*b^2*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a*a1*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2
/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)
+10*_a^2*a*a2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-
2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(
b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a*a3*b^2*(-c^2/(b-c
)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*l
n(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b
)^3/(b-c)^3*ln(_a-b)*b^3)+5*_a^2*a1*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3
/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a
)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a
-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+5*
_a^2*a1*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b
-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)
^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a2*b*c^2*(-c^2/(b-c)^2/
(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a
^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a
-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3)+_a^2*a3*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)
^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/
(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a^3
*a2*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a
-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a^3*a2*c*(-c^2/(b-c)^2/(a-c)^2/(_
a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2
/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-
b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^3)-_a*a^3*a3*b*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*
c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-
b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a^3*a3*c*(-c^2/(b
-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3
*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a
-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a^2*a0*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)
^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a
-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/
(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-
_a^3*a^2*a0*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/
(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-
a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-
c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a^3*a0*b^2*c^2*(-c^2/(b-c)^
2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3
-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(
_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^3)+_a^2*a^3*a0*b^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b
)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-8*_a
*a^2*a2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3
*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-4*_a*a^2*a3*b^2*(-c^2/(b-c)^2/(a
-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2
/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a
)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^3)-_a*a*a1*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*l
n(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^
3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-
b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a*a1*c^3*
(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*
ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3
/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*
a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a*a2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2
/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)
^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b
-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3)-_a*a*a3*b^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-
2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_
a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(
b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a1*b^3*c*(-c^2/(b-c)^2/
(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a
^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a
-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^3)-4*_a*a1*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-
c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/
(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^
2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*a1*
b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a
-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-2*_a*a2*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_
a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2
/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-
b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln
(_a-b)*b^3)-_a*a3*b^3*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*
c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-
b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*a^3*a2*b*c*(-c^2/(
b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^
3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(
a-b)^3/(b-c)^3*ln(_a-b)*b^3)+a^3*a3*b*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(
a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b
)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+8*a^
2*a2*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)
^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^
3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*
ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+6*_a*a*a0*b*c*(-c^5/(b-c)^2/(a-c)
^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^
2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)
^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2
/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a
-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*a^3*a2*b*c^3*(-1/
(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c
+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a
)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/
(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)
^3*ln(_a-b)*a)+a^3*a3*b^3*c*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c
)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/
(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)
^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b
-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+a*a1*b^3*c^3*(-1/(b-c)^2/(a-c)^2/
(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)
^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a
-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3
/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+a
^3*a0*b^3*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/
(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)
^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-
1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)
*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a^3*a^2*a2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/
(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-
c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(
_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*
ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a^3*a^2*a
3*b^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*
ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)
^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^
2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-
b)^3/(b-c)^3*ln(_a-b)*a)-_a^3*a1*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a
-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-
c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/
(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b
-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a^2*a^3*a3*b*(-c/
(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-
b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)
-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3
*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-8*_a^2*a^2*a2*c^2*(-c/(b-c)^2/(a-c
)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)
^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(
b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^
2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^2*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1
/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*l
n(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a
-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/
(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a*a2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)
^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)
*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-
c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b
)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-
b)*c*b)-2*_a^2*a*a3*b^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*
b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^
3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3
/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*
c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln
(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2
*a1*b^3*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a
-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2
-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a
-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/
(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(
a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a1*b^2*c^2*(-
c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-
c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(
a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a
-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-
b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)
^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-9*_a*a*a0*b^2*c*(-c^4/(b-c)^2/(a
-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a
-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*l
n(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*
b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*
ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-9*_a*a*a0*b*c^2*(-c^4/(b-c)^2
/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^
4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^
3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3
*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)
^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a^2*a1*b*c^3*(-c/(b-c)^
2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1
/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(
_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a
-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-
b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a
-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^3*a2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-
c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)
^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)
*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*l
n(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b
)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(
a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*
b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_
a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3
/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/
(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln
(_a-b)*c*b)+4*_a*a^2*a2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c
)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a
-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a
-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^
3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*
_a*a^2*a3*b^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^
3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)
*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*l
n(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c
)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c
+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a1*b^3*c^2*
(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_
a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2
/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/
(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_
a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-
c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a1*b^2*c^3*(-c/(b-c)^2/(a
-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-
c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a
)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^
3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3
/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*
b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a^3*a^2*a2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1
/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*l
n(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a
-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c
+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a
-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/
(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a^2*a3*b*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)
^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/
(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)
*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-
c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b
)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-
b)*c*b)-4*a^3*a2*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b
+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3
*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/
(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c
*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(
_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^3*a
3*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c
)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a
/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a
)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a
-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-
b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*a^2*a2*b*c^3*(-c/(b-
c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*
c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^
2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3
/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/
(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln
(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^2*a3*b^3*c*(-c/(b-c)^2/(a-c)^2/(_
a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-
c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b
)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-
a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a
-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a*a1*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/
(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c
*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(
_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^
3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1
/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*l
n(_a-b)*c*b)-2*a*a1*b^2*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c
)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a
-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a
-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^
3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*
a^3*a0*b^3*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)
^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c
)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-
c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*
c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^3*a0*b^2*c^
3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln
(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)
^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+
1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/
(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(
b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*a^2*a0*b^3*c^3*(-c/(b-c)^2
/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/
(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_
a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-
c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b
)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-
b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a^3*a*a2*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c
)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^
3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln
(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)
^3/(b-c)^3*ln(_a-b)*c*b)+2*_a^3*a*a3*b^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a
-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b
-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a
-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/
(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(
a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(
_a-b)*c*b)+2*_a^3*a1*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-
a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_
a^3*a1*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln
(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)
^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^3*a2*c*(
-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a
-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/
(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a
-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-5*_a*a*a0*b^3*c^2*(-c^2/(b-c)^2
/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-
a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_
a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^3)-5*_a*a*a0*b^2*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/
(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)
-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-
b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-_a*
a*a0*b*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(
b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3
*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^
3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_
a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)
^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(
_a-b)*c)-_a*a*a0*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*b+2*c^7/(b-
c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)^3*ln(_a-a)-
4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*a^5/(a-b)^3/
(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*a
-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4*b^6/(a-b)^3
/(b-c)^3*ln(_a-b)*c)-_a*a0*b*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(b-c)^3/(a-c
)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)
*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a-b)^3/(a-c)
^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*c+6*
a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-b)^3/(b-c)^
3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3*ln(_a-b)+4
*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)+a*a0*b*c*(_a-c^6/(b-c)^2/(a-c)^2/(_a-c)+6*c^5/(
b-c)^3/(a-c)^3*ln(_a-c)*a*b-4*c^6/(b-c)^3/(a-c)^3*ln(_a-c)*a-4*c^6/(b-c)^3/(a-c)
^3*ln(_a-c)*b+2*c^7/(b-c)^3/(a-c)^3*ln(_a-c)-a^6/(a-c)^2/(a-b)^2/(_a-a)+2*a^7/(a
-b)^3/(a-c)^3*ln(_a-a)-4*a^6/(a-b)^3/(a-c)^3*ln(_a-a)*b-4*a^6/(a-b)^3/(a-c)^3*ln
(_a-a)*c+6*a^5/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b^6/(b-c)^2/(a-b)^2/(_a-b)+4*b^6/(a-
b)^3/(b-c)^3*ln(_a-b)*a-6*b^5/(a-b)^3/(b-c)^3*ln(_a-b)*a*c-2*b^7/(a-b)^3/(b-c)^3
*ln(_a-b)+4*b^6/(a-b)^3/(b-c)^3*ln(_a-b)*c)-_a*a^2*a3*b^3*c*(-1/(b-c)^2/(a-c)^2/
(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)
^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a
-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3
/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_
a^3*a^2*a0*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-
c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/
(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-
a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(
_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^3*a0*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_
a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3
*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c
)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(
b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^
2*a^2*a0*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)
^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a
-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)
*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a
-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a0*b^2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-
c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*l
n(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^
3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-
c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^
3*a0*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(
a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^
3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1
/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*
c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^3*a0*b^2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(
b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c
)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_
a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*l
n(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^2*a0*b
^3*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3
*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c
)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)
^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a
-b)^3/(b-c)^3*ln(_a-b)*a)+12*_a^2*a*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^
3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln
(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)
^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2
/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a
-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-9*_a*a^2*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-
c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a
-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b
)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a0*b^2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/
(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(
a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*
c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)+5*_a^2*a0*b*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)
+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(
a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*
b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^
2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3
*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a^3*a0*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+
4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a
-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b
-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2
/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*
a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a^3*a0*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/
(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a
*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a*a^2*a0*b^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c
)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4
*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)
^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-4*_a*a^2*a0*c^2*(-c^4/(b-c)^2/(a-c)^2/(_
a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b
-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)
*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a1*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c
)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/
(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4
*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)
^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^
3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a1*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4
/(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-
c)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-
2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/
(a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a
*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a*a*a2*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/
(b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c
)^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(
a-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*
c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a*a*a2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(
b-c)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)
^3*ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/
(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a
-b)^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c
+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a3*b*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c
)^3/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*
ln(_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-
b)^3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)
^2/(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/
(a-b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a*a3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3
/(a-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(
_a-c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^
3/(a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/
(_a-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-
b)^3/(b-c)^3*ln(_a-b)*b^4*c)-_a*a1*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a
-c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-
c)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(
a-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a
-b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^
3/(b-c)^3*ln(_a-b)*b^4*c)-2*_a*a2*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-
c)^3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c
)*c^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a
-c)^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-
b)+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*c)-_a*a3*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^
3*ln(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c
^4*b-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+
2/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^4*c)+a*a1*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln
(_a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b
-a^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*l
n(_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a
-b)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^
3*ln(_a-b)*b^4*c)+2*a*a2*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_
a-c)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a
^4/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(
_a-a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b
)^3/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*
ln(_a-b)*b^4*c)+a*a3*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*c)-_a*a*a0*b^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)-_a*a*a0*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c
^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-
c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*
a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b
-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-
b)*b^4*c)-_a*a0*b^3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c
)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4*c)-4*_a*a0*b^2*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)
*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(
a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a
)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/
(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_
a-b)*b^4*c)-_a*a0*b*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)+a^3*a0*b*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*c^
3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a-c
)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^4*c)+4*a^2*a0*b^2*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)+4*a^2*a0*b*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/
(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-
a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4*c)+a*a0*b^3*c*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)+4*a*a0*b^2*c^2*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c
)*c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/
(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-
a)*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3
/(b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(
_a-b)*b^4*c)+a*a0*b*c^3*(-c^4/(b-c)^2/(a-c)^2/(_a-c)+4/(b-c)^3/(a-c)^3*ln(_a-c)*
c^3*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*b-a^4/(a
-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*b-2/(a-b)^3/(a-c)^3*ln(_a-a)
*a^4*c+4/(a-b)^3/(a-c)^3*ln(_a-a)*a^3*c*b-b^4/(b-c)^2/(a-b)^2/(_a-b)+2/(a-b)^3/(
b-c)^3*ln(_a-b)*b^4*a-4/(a-b)^3/(b-c)^3*ln(_a-b)*b^3*a*c+2/(a-b)^3/(b-c)^3*ln(_a
-b)*b^4*c)+2*_a*a*a0*b^3*c^3*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-
c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(
a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a
-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_
a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)
^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2
*_a^3*a^2*a0*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(
b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(
_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c
)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b
/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b
)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-4*_a^2*a^2*
a2*b*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)
^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/
(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)
*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-
b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b
)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a^2*a3*b*c*(-c/(
b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*
a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b
)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)
^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-
1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*
ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a*a1*b^2*c*(-c/(b-c)^2/(a-c)
^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^
3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3
/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*l
n(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b
-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2
-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)-2*_a^2*a*a1*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/
(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln
(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-
c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+
1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-
b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(
b-c)^3*ln(_a-b)*c*b)-4*_a^2*a*a2*b*c^2*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c
)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3
/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a
)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a
-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-
b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a
-b)*c*b)-2*_a^2*a*a3*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)
*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-
c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b
)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-
a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3
*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_
a*a^3*a2*b*c*(-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3
/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*
c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln
(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)
^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+2*_a*a^3*a3*b*c*(
-c/(b-c)^2/(a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a
-c)*a*c+1/(b-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/
(a-b)^2/(_a-a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(
a-b)^3/(a-c)^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a
-b)-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+8*_a*a^2*a2*b*c^2*(-c/(b-c)^2/(
a-c)^2/(_a-c)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b
-c)^3/(a-c)^3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-
a)-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)
^3*ln(_a-a)*a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^
3/(b-c)^3*ln(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)
*b^2-1/(a-b)^3/(b-c)^3*ln(_a-b)*c*b)+4*_a*a^2*a3*b^2*c*(-c/(b-c)^2/(a-c)^2/(_a-c
)+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*a*c+1/(b-c)^3/(a-c)^
3*ln(_a-c)*c*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^2-a/(a-c)^2/(a-b)^2/(_a-a)-3/(a-b)^3
/(a-c)^3*ln(_a-a)*a^2+1/(a-b)^3/(a-c)^3*ln(_a-a)*a*b+1/(a-b)^3/(a-c)^3*ln(_a-a)*
a*c+1/(a-b)^3/(a-c)^3*ln(_a-a)*c*b-b/(b-c)^2/(a-b)^2/(_a-b)-1/(a-b)^3/(b-c)^3*ln
(_a-b)*a*b-1/(a-b)^3/(b-c)^3*ln(_a-b)*a*c+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^2-1/(a-b)
^3/(b-c)^3*ln(_a-b)*c*b)+9*_a^2*a^2*a0*b^2*c*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c
)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_
a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2
/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)
+9*_a^2*a^2*a0*b*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a
*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*l
n(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^
3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+4*_a^2*a*a0*b^3*c*(-c^2
/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a
-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c
)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2
/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+9*_a^2*a*a0*b^2*c^2*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+
2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b
)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(
b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b
)*b^3)+4*_a^2*a*a0*b*c^3*(-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)
*c*a*b-2/(b-c)^3/(a-c)^3*ln(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)
^3*ln(_a-a)*a^3+2/(a-b)^3/(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a
-b)^3/(b-c)^3*ln(_a-b)*b*a*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)-5*_a*a^3*a0*b^2*c*(
-c^2/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*c*a*b-2/(b-c)^3/(a-c)^3*l
n(_a-c)*c^3-a^2/(a-c)^2/(a-b)^2/(_a-a)-2/(a-b)^3/(a-c)^3*ln(_a-a)*a^3+2/(a-b)^3/
(a-c)^3*ln(_a-a)*a*c*b-b^2/(b-c)^2/(a-b)^2/(_a-b)-2/(a-b)^3/(b-c)^3*ln(_a-b)*b*a
*c+2/(a-b)^3/(b-c)^3*ln(_a-b)*b^3)+2*_a^2*a^3*a2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+
2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_
a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*l
n(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^
3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^3
*a3*b^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^
3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-
c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c
)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(
a-b)^3/(b-c)^3*ln(_a-b)*a)+2*_a^2*a^2*a2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^
3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1
/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*
c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-
b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a3*b^3*
(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-
c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(
_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b
)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(
b-c)^3*ln(_a-b)*a)+_a^2*a1*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*
ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(
a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^
3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-
b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a1*b^2*c^3*(-1/(b-c)^
2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-
c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/
(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)
+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(
_a-b)*a)-2*_a*a^3*a2*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b
-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a
-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*
ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)
^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a^3*a3*b^3*(-1/(b-c)^2/(a-c)^2/(_
a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3
*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c
)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(
b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*
a1*b^3*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-
c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/
(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(
b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-
2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+2*_a*a^2*a0*b*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)
^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*l
n(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^
3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-
a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3
/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(
_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a^2*a0*c*(-c^5/(b-c)^2/(a-c)^2/
(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-
c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(
_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/
(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_
a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)
^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a*a0*b^2*(-c^5/(b
-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-
c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-
c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^
5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c
)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b
^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)+2*_a*a*a
0*c^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/
(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-
c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)
^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^
4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c
)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b
^5*c)+2*_a*a0*b^2*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*
a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/
(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3
/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)
^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-
5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c
)^3*ln(_a-b)*b^5*c)+2*_a*a0*b*c^2*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3
*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^
5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*
ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5
/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*l
n(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+
3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*a^2*a0*b*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b
-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^
3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-
b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(
_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b
)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*
ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*a*a0*b^2*c*(-c^5/(b-c)^2/(a-c)^
2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(
b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2
/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^
3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/
(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-
b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-2*a*a0*b*c^2*(-c^5/(
b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3/(a-c)^3*ln(_a
-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a-c)*c^6-a^5/(a
-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c)^3*ln(_a-a)*a
^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a^4*c*b-b^5/(b-
c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-c)^3*ln(_a-b)*
b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*c)-4*_a^2*
a*a0*b*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4*a*b-3/(b-c)^3
/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3/(a-c)^3*ln(_a
-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-3/(a-b)^3/(a-c
)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c)^3*ln(_a-a)*a
^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a-5/(a-b)^3/(b-
c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-c)^3*ln(_a-b)*
b^5*c)-4*_a^2*a*a0*c*(-c^5/(b-c)^2/(a-c)^2/(_a-c)+5/(b-c)^3/(a-c)^3*ln(_a-c)*c^4
*a*b-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*a-3/(b-c)^3/(a-c)^3*ln(_a-c)*c^5*b+1/(b-c)^3
/(a-c)^3*ln(_a-c)*c^6-a^5/(a-c)^2/(a-b)^2/(_a-a)+1/(a-b)^3/(a-c)^3*ln(_a-a)*a^6-
3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*b-3/(a-b)^3/(a-c)^3*ln(_a-a)*a^5*c+5/(a-b)^3/(a-c
)^3*ln(_a-a)*a^4*c*b-b^5/(b-c)^2/(a-b)^2/(_a-b)+3/(a-b)^3/(b-c)^3*ln(_a-b)*b^5*a
-5/(a-b)^3/(b-c)^3*ln(_a-b)*b^4*a*c-1/(a-b)^3/(b-c)^3*ln(_a-b)*b^6+3/(a-b)^3/(b-
c)^3*ln(_a-b)*b^5*c)-_a*a*a1*b^3*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^
3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2
/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b
)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(
a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-_a*a*a1*b^2*c^3*(-1/(b-c
)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(
b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+
2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-
b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*l
n(_a-b)*a)+2*_a^2*a^2*a2*b*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_
a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)
^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a
-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3
/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)+_a^2*a^2*a3*b^2*c*(-1/(b-c)^2/
(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)
^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a
-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4
/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a
-b)*a)+_a^2*a*a1*b^2*c^2*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b
-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a
-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*
ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)
^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a*a^3*a2*b*c^2*(-1/(b-c)^2/(a-c)^
2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-
c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/
(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)
^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)
-_a*a^3*a3*b^2*c*(-1/(b-c)^2/(a-c)^2/(_a-c)+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)
^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a
-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)
*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a
-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a)-2*_a*a^2*a2*b*c^3*(-1/(b-c)^2/(a-c)^2/(_a-c)
+2/(b-c)^3/(a-c)^3*ln(_a-c)*b-4/(b-c)^3/(a-c)^3*ln(_a-c)*c+2/(b-c)^3/(a-c)^3*ln(
_a-c)*a-1/(a-c)^2/(a-b)^2/(_a-a)-4/(a-b)^3/(a-c)^3*ln(_a-a)*a+2/(a-b)^3/(a-c)^3*
ln(_a-a)*c+2/(a-b)^3/(a-c)^3*ln(_a-a)*b-1/(b-c)^2/(a-b)^2/(_a-b)+4/(a-b)^3/(b-c)
^3*ln(_a-b)*b-2/(a-b)^3/(b-c)^3*ln(_a-b)*c-2/(a-b)^3/(b-c)^3*ln(_a-b)*a))^(1/2),
_a = y(x))-x-_C2 = 0]