2.149   ODE No. 149

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

$$(x^2+1)y^{\prime }(x)-x(x^2+1)+xy(x)=0$$ ✓ Mathematica : cpu = 0.0121073 (sec), leaf count = 27

$$\left\{\{y(x)\to \frac{1}{3}(x^2+1)+\frac{c_1}{\sqrt{x^2+1}}\}\right\}$$ ✓ Maple : cpu = 0.009 (sec), leaf count = 20

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