2.67   ODE No. 67

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

$$y^{\prime }(x)-\frac{\sqrt{1-y(x{)}^4}}{\sqrt{1-x^4}}=0$$ ✓ Mathematica : cpu = 0.131653 (sec), leaf count = 14

$$\left\{\{y(x)\to \text{sn}(c_1+F({\sin }^{-1}(x)|-1)|-1)\}\right\}$$

✓ Maple : cpu = 0.015 (sec), leaf count = 51

$$\{\mathit{E}\mathit{l}\mathit{l}\mathit{i}\mathit{p}\mathit{t}\mathit{i}\mathit{c}\mathit{F}(x,i)\sqrt{-x^2+1}\sqrt{x^2+1}\frac{1}{\sqrt{-x^4+1}}-{\int }^{y\left(x\right)}\frac{1}{\sqrt{-{\mathit{\_}\mathit{a}}^4+1}}d\mathit{\_}\mathit{a}+\mathit{\_}\mathit{C}\mathit{1}=0\}$$