Solve $xy\left(\frac{dy}{dx}\right)=\sqrt{x^2-y^2-x^2y^2-1}$
I have tried solvable by $x, y, p,$ Clairaut's. Nothing seems to work.
Solve $xy\left(\frac{dy}{dx}\right)=\sqrt{x^2-y^2-x^2y^2-1}$
I have tried solvable by $x, y, p,$ Clairaut's. Nothing seems to work.