2.666   ODE No. 666

\[ y'(x)=y(x) \left (x^3+x^2-\log (y(x))+1\right ) \] Mathematica : cpu = 0.147325 (sec), leaf count = 29


\[\left \{\left \{y(x)\to e^{x^3-2 x^2+4 x-c_1 e^{-x}-3}\right \}\right \}\] Maple : cpu = 0.252 (sec), leaf count = 24


\[y \relax (x ) = {\mathrm e}^{{\mathrm e}^{-x} c_{1}+x^{3}-2 x^{2}+4 x -3}\]