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

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 the differential equation x(e^(2y)-1)dy + (x^2-1) e^y dx=0 is

The solution of the differential equation x(e^(2y)-1)dy + (x^2-1) e^y dx=0 is

The solution of the differential equation x(e^(2y)-1)dy+(x^2-1)e^y dx=0 is

The general solution of the differential equation (2x-y+1)dx+(2y-x+1)dy=0 is -

The general solution of the differential equation (2x-y+1)dx+(2y-x+1)dy=0 is -

Let y=f(x) be a solution of the differential equation (dy)/(dx)=(y^(2)-x^(2))/(2xy)(AA x, y gt 0) . If f(1)=2 , then f'(1) is equal to

Let y=f(x) be a solution of the differential equation (dy)/(dx)=(y^(2)-x^(2))/(2xy)(AA x, y gt 0) . If f(1)=2 , then f'(1) is equal to