2.190   ODE No. 190

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

$$\sqrt{x^2-1}{y}^{\prime }(x)-\sqrt{y(x{)}^2-1}=0$$ ✓ Mathematica : cpu = 0.0506717 (sec), leaf count = 44

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

✓ Maple : cpu = 0.007 (sec), leaf count = 29

$$\{\ln (x+\sqrt{x^2-1})-\ln (y\left(x\right)+\sqrt{{\left(y\left(x\right)\right)}^2-1})+\mathit{\_}\mathit{C}\mathit{1}=0\}$$