2.124   ODE No. 124

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

$$x{y}^{\prime }(x)-y(x)+x\cos \left(\frac{y(x)}{x}\right)+x=0$$ ✓ Mathematica : cpu = 0.0857231 (sec), leaf count = 16

$$\left\{\{y(x)\to 2x{\tan }^{-1}(-\log (x)+c_1)\}\right\}$$ ✓ Maple : cpu = 0.024 (sec), leaf count = 12

$$\{y\left(x\right)=-2\arctan (\ln \left(x\right)+\mathit{\_}\mathit{C}\mathit{1})x\}$$