8.9   ODE No. 1599

$$\boxed{{\displaystyle \frac{{\mathrm{d}}^2}{\mathrm{d}{x}^2}y\left(x\right)+d+bxy\left(x\right)+cy\left(x\right)+a{\left(y\left(x\right)\right)}^3=0}}$$

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

Mathematica: cpu = 2.855863 (sec), leaf count = 27 $$\text{DSolve}[ay(x{)}^3+bxy(x)+cy(x)+d+y^{″}(x)=0,y(x),x]$$

Maple: cpu = 0.250 (sec), leaf count = 0 $$\text{could not solve}$$