2.840   ODE No. 840

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

$$y^{\prime }(x)=\frac{e^{\frac{y(x)}{x}}(x^3+x{e}^{-\frac{y(x)}{x}}+e^{-\frac{y(x)}{x}}y(x))}{x}$$ ✓ Mathematica : cpu = 0.27323 (sec), leaf count = 30

$$\left\{\{y(x)\to -x\log (-\frac{x^2}{3}+\frac{e^{3c_1}}{3x})\}\right\}$$ ✓ Maple : cpu = 0.179 (sec), leaf count = 19

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