The solution of the differential equation `ydx+ (x +x^2 y) dy =0` is

The solution of the differential equation y^(2)dx- x^(2)dy = 0 is

The solution of differential equation 4xdy - ydx = x^(2) dy is

The solution of the differential equation ydx-(x+2y^(2))dy=0 is x=f(y). If f(-1)=1, then f(1) is equal to

The solution of differential equation ydx + (x+xy)dy = 0 is

Find the general solution of the differential equation: ydx - (x+2y^2)dy = 0