3.998   ODE No. 998

$$\boxed{{\displaystyle \frac{\mathrm{d}}{\mathrm{d}x}y\left(x\right)=\frac{{(y\left(x\right)-\ln \left(x\right)-\mathit{C}\mathit{i}\left(x\right))}^2+\cos \left(x\right)}{x}=0}}$$

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

Mathematica: cpu = 0.472560 (sec), leaf count = 27 $$\left\{\{y(x)\to \frac{x^2}{c_1-\frac{x^2}{2}}+\text{Ci}(x)+\log (x)+1\}\right\}$$

Maple: cpu = 0.281 (sec), leaf count = 27 $$\{y\left(x\right)=\ln \left(x\right)+\mathit{C}\mathit{i}\left(x\right)+\frac{-\mathit{\_}\mathit{C}\mathit{1}{x}^2+1}{\mathit{\_}\mathit{C}\mathit{1}{x}^2+1}\}$$