2.660   ODE No. 660

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

$$y^{\prime }(x)=x^2\sqrt{a^2+2ax+x^2+4y(x)}-\frac{a}{2}-\frac{x}{2}$$ ✓ Mathematica : cpu = 0.24161 (sec), leaf count = 42

$$\left\{\{y(x)\to \frac{1}{36}(-9a^2-18ax-24c_1{x}^3+36c_1^2+4x^6-9x^2)\}\right\}$$

✓ Maple : cpu = 0.205 (sec), leaf count = 29

$$\{\mathit{\_}\mathit{C}\mathit{1}+\frac{2x^3}{3}-\sqrt{x^2+2ax+a^2+4y\left(x\right)}=0\}$$