Differential Eq...

The solution of $$\dfrac{dy}{dx}=\dfrac{y}{x}+\tan\left(\dfrac{y}{x}\right)$$.

The differential equation of all parabolas having their axis of symmetry with the axis of x is?

If $$c$$ is any arbitrary constant, then the general solution  of differential equation $$ydx-xdy=xydx$$ is  given by -

The solution of the equation $$\dfrac {dy}{dx}+\sqrt {\dfrac { {1-y}^{2} }{ {1-x}^{2} }}=0$$ is 

The solution of $$\dfrac{dy}{dx}=\dfrac{\sqrt{x^2-y^2}+y}{x}$$.

The solution of the differential equations $$\dfrac{dy}{dx}=\dfrac{x-2y+1}{2x-4y}$$ is?

The solution of $$x\sqrt{1+y^2}dx+y\sqrt{1+x^2}dy=0$$.

The solution of $$\dfrac{dy}{dx}=(1+y^2)(1+x^2)^{-1}$$ is?

The solution of $$\dfrac{dy}{dx}=\dfrac{y^2}{xy-x^2}$$.