4.40.16 \(12 y(x) y''(x)=15 y'(x)^2-8 y(x)^3\)

ODE
\[ 12 y(x) y''(x)=15 y'(x)^2-8 y(x)^3 \] ODE Classification

[[_2nd_order, _missing_x]]

Book solution method
TO DO

Mathematica
cpu = 0.320734 (sec), leaf count = 43

\[\left \{\left \{y(x)\to \frac {2304 c_1^2}{\left (3 c_1^2 x^2+6 c_2 c_1^2 x+3 c_2^2 c_1^2+128\right ){}^2}\right \}\right \}\]

Maple
cpu = 0.305 (sec), leaf count = 147

\[ \left \{ -12\,{\frac {y \left ( x \right ) \left ( 8\,\sqrt {y \left ( x \right ) }-{\it \_C1} \right ) \sqrt {8\,y \left ( x \right ) -{\it \_C1}\,\sqrt {y \left ( x \right ) }}}{\sqrt {-24\, \left ( y \left ( x \right ) \right ) ^{3}+3\,{\it \_C1}\, \left ( y \left ( x \right ) \right ) ^{5/2}}{\it \_C1}\,\sqrt {\sqrt {y \left ( x \right ) } \left ( 8\,\sqrt {y \left ( x \right ) }-{\it \_C1} \right ) }}}-x-{\it \_C2}=0,12\,{\frac {y \left ( x \right ) \left ( 8\,\sqrt {y \left ( x \right ) }-{\it \_C1} \right ) \sqrt {8\,y \left ( x \right ) -{\it \_C1}\,\sqrt {y \left ( x \right ) }}}{\sqrt {-24\, \left ( y \left ( x \right ) \right ) ^{3}+3\,{\it \_C1}\, \left ( y \left ( x \right ) \right ) ^{5/2}}{\it \_C1}\,\sqrt {\sqrt {y \left ( x \right ) } \left ( 8\,\sqrt {y \left ( x \right ) }-{\it \_C1} \right ) }}}-x-{\it \_C2}=0 \right \} \] Mathematica raw input

DSolve[12*y[x]*y''[x] == -8*y[x]^3 + 15*y'[x]^2,y[x],x]

Mathematica raw output

{{y[x] -> (2304*C[1]^2)/(128 + 3*x^2*C[1]^2 + 6*x*C[1]^2*C[2] + 3*C[1]^2*C[2]^2)
^2}}

Maple raw input

dsolve(12*y(x)*diff(diff(y(x),x),x) = 15*diff(y(x),x)^2-8*y(x)^3, y(x),'implicit')

Maple raw output

-12/(-24*y(x)^3+3*_C1*y(x)^(5/2))^(1/2)*y(x)*(8*y(x)^(1/2)-_C1)*(8*y(x)-_C1*y(x)
^(1/2))^(1/2)/_C1/(y(x)^(1/2)*(8*y(x)^(1/2)-_C1))^(1/2)-x-_C2 = 0, 12/(-24*y(x)^
3+3*_C1*y(x)^(5/2))^(1/2)*y(x)*(8*y(x)^(1/2)-_C1)*(8*y(x)-_C1*y(x)^(1/2))^(1/2)/
_C1/(y(x)^(1/2)*(8*y(x)^(1/2)-_C1))^(1/2)-x-_C2 = 0