Solution of `((x+y-a)/(x+y-b))((dy)/(dx))=((x+y+a)/(x+y+b))`

The solution of (x dx+y dy)/(x dy-y dx)=sqrt((1-x^2-y^2)/(x^2+y^2)) is

The solution of (dy)/(dx) = (x-y)/(x+y) is

Solution of dy/dx = (x+Y)/(x-y) is

Solution of the differential equation (x+y(dy)/(dx))/(y-x(dy)/(dx))=(x sin^(2)(x^(2)+y^(2)))/(y^(3))

The solution of (x d x+y dy)/(x dy-y dx)=sqrt((1-x^2-y^2)/(x^2+y^2)) is

The solution of (x d x+y dy)/(x dy-y dx)=sqrt((1-x^2-y^2)/(x^2+y^2)) is

Verify y =a/x+b is solution of x (d ^2 y)/(dx ^(2)) + 2 (dy)/(dx) = 0

The solution of the differential x(x-y) (dy)/(dx) = y(x+y) , is

If y_(1)(x) and y_(2)(x) are two solutions of (dy)/(dx)+f(x)y=r(x), then y_(1)(x)+y_(2)(x) is solution of : (A) (dy)/(dx)+f(x)y=0 (B) (dy)/(dx)+2f(x)y=r(x)(C)(dy)/(dx)+f(x)y=2r(x)(D)(dy)/(dx)+2f(x)y=2r(x)