Vector Algebra

The solution of $$ydx-xdy+\log {x}dx=0$$ is
The solution of $$ydx-xdy+\log {x}dx=0$$ is
The solution of $$ydx-xdy+\log {x}dx=0$$ is
Find the solution of the differential equation $$\dfrac{dy}{dx} = \dfrac{\sqrt{1 - y^2}}{y}$$.
Find the solution of the differential equation $$\dfrac{dy}{dx} = \dfrac{\sqrt{1 - y^2}}{y}$$.