2.122   ODE No. 122

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

$$\cos (y(x))(\sin (y(x))-3x^2\cos (y(x)))+x{y}^{\prime }(x)=0$$ ✓ Mathematica : cpu = 0.270323 (sec), leaf count = 21

$$\left\{\{y(x)\to {\tan }^{-1}\left(\frac{2x^3+c_1}{2x}\right)\}\right\}$$ ✓ Maple : cpu = 0.337 (sec), leaf count = 16

$$\{y\left(x\right)=\arctan \left(\frac{x^3+2\mathit{\_}\mathit{C}\mathit{1}}{x}\right)\}$$