2.133   ODE No. 133

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

$$x^2{y}^{\prime }(x)+y(x)-x=0$$ ✓ Mathematica : cpu = 0.0082283 (sec), leaf count = 27

$$\left\{\{y(x)\to -e^{\frac{1}{x}}\text{Ei}(-\frac{1}{x})+c_1{e}^{\frac{1}{x}}\}\right\}$$ ✓ Maple : cpu = 0.009 (sec), leaf count = 16

$$\{y\left(x\right)=(\mathit{E}\mathit{i}(1,x^{-1})+\mathit{\_}\mathit{C}\mathit{1}){\mathrm{e}}^{x^{-1}}\}$$