2.15   ODE No. 15

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

$$x^4-2x^{2}y(x)+y^{\prime }(x)+y(x{)}^2-2x-1=0$$ ✓ Mathematica : cpu = 0.0205734 (sec), leaf count = 25

$$\left\{\{y(x)\to \frac{1}{c_1(-e^{2x})-\frac{1}{2}}+x^2+1\}\right\}$$

✓ Maple : cpu = 0.177 (sec), leaf count = 37

$$\{y\left(x\right)=\frac{x^2{\left({\mathrm{e}}^x\right)}^2\mathit{\_}\mathit{C}\mathit{1}-x^2+{\left({\mathrm{e}}^x\right)}^2\mathit{\_}\mathit{C}\mathit{1}+1}{{\left({\mathrm{e}}^x\right)}^2\mathit{\_}\mathit{C}\mathit{1}-1}\}$$