2.915   ODE No. 915

  1. Problem in Latex
  2. Mathematica input
  3. Maple input

\[ y'(x)=\frac {y(x)^3+y(x)-8 y(x)^3 \log ^3(x)+4 y(x)^3 \log ^2(x)+12 y(x)^2 \log ^2(x)-4 y(x)^2 \log (x)-6 y(x) \log (x)+1}{x y(x)} \] Mathematica : cpu = 0.850626 (sec), leaf count = 724

\[\text {Solve}\left [\int _1^{y(x)}\left (4 \text {RootSum}\left [8 \text {$\#$1}^3 K[1]^3-4 \text {$\#$1}^2 K[1]^3-3 K[1]^3-12 \text {$\#$1}^2 K[1]^2+4 \text {$\#$1} K[1]^2+6 \text {$\#$1} K[1]-K[1]-1\& ,\frac {\log (\log (x)-\text {$\#$1})}{12 \text {$\#$1}^2 K[1]^2-4 \text {$\#$1} K[1]^2-12 \text {$\#$1} K[1]+2 K[1]+3}\& \right ] K[1]-\frac {2 K[1]}{8 \log ^3(x) K[1]^3-4 \log ^2(x) K[1]^3-3 K[1]^3-12 \log ^2(x) K[1]^2+4 \log (x) K[1]^2+6 \log (x) K[1]-K[1]-1}-\frac {2 \text {RootSum}\left [8 \text {$\#$1}^3 K[1]^3-4 \text {$\#$1}^2 K[1]^3-3 K[1]^3-12 \text {$\#$1}^2 K[1]^2+4 \text {$\#$1} K[1]^2+6 \text {$\#$1} K[1]-K[1]-1\& ,\frac {16 \log (x) \log (\log (x)-\text {$\#$1}) \text {$\#$1}^2 K[1]^3-224 \log (\log (x)-\text {$\#$1}) \text {$\#$1}^2 K[1]^3-36 \log (x) \log (\log (x)-\text {$\#$1}) K[1]^3-6 \log (\log (x)-\text {$\#$1}) K[1]^3+216 \log (x) \log (\log (x)-\text {$\#$1}) \text {$\#$1} K[1]^3+36 \log (\log (x)-\text {$\#$1}) \text {$\#$1} K[1]^3-8 \log (\log (x)-\text {$\#$1}) \text {$\#$1}^2 K[1]^2-4 \text {$\#$1}^2 K[1]^2-108 \log (x) \log (\log (x)-\text {$\#$1}) K[1]^2-16 \log (x) \log (\log (x)-\text {$\#$1}) \text {$\#$1} K[1]^2+116 \log (\log (x)-\text {$\#$1}) \text {$\#$1} K[1]^2-54 \text {$\#$1} K[1]^2+9 K[1]^2+4 \log (x) \log (\log (x)-\text {$\#$1}) K[1]-2 \log (\log (x)-\text {$\#$1}) K[1]+8 \log (\log (x)-\text {$\#$1}) \text {$\#$1} K[1]+4 \text {$\#$1} K[1]+27 K[1]-2 \log (\log (x)-\text {$\#$1})-1}{8 \log (x) \text {$\#$1}^2 K[1]^3-112 \text {$\#$1}^2 K[1]^3+492 \log (x) K[1]^3+108 \log (x) \text {$\#$1} K[1]^3-492 \text {$\#$1} K[1]^3-3 K[1]^3-4 \text {$\#$1}^2 K[1]^2-54 \log (x) K[1]^2-8 \log (x) \text {$\#$1} K[1]^2+58 \text {$\#$1} K[1]^2+2 \log (x) K[1]+4 \text {$\#$1} K[1]-K[1]-1}\& \right ]}{K[1]}\right )dK[1]-2 \left (y(x)^2 \text {RootSum}\left [8 \text {$\#$1}^3 y(x)^3-4 \text {$\#$1}^2 y(x)^3-12 \text {$\#$1}^2 y(x)^2+4 \text {$\#$1} y(x)^2+6 \text {$\#$1} y(x)-3 y(x)^3-y(x)-1\& ,\frac {\log (\log (x)-\text {$\#$1})}{12 \text {$\#$1}^2 y(x)^2-4 \text {$\#$1} y(x)^2-12 \text {$\#$1} y(x)+2 y(x)+3}\& \right ]+\log (x)\right )=c_1,y(x)\right ]\] Maple : cpu = 0.23 (sec), leaf count = 43

\[ \left \{ y \left ( x \right ) =9\, \left ( 18\,\ln \left ( x \right ) +83\,{\it RootOf} \left ( -81\,\int ^{{\it \_Z}}\! \left ( 6889\,{{\it \_a}}^{3}-27\,{\it \_a}+27 \right ) ^{-1}{d{\it \_a}}-\ln \left ( x \right ) +3\,{\it \_C1} \right ) -3 \right ) ^{-1} \right \} \]