I do not have an idea where to start to solve the following differential equation, so every tip is welcome.
$$y' = \frac{x\sqrt{4+y^{2}}}{y(9+x^{2})} $$
I do not have an idea where to start to solve the following differential equation, so every tip is welcome.
$$y' = \frac{x\sqrt{4+y^{2}}}{y(9+x^{2})} $$