Solve `x^2 times(x/y-y/x)times(y/x+x/y)timesy^2`

Solve y e^(x/y)dx=(x e^(x/y)+y^2)dy ,(y!=0)dot

Solve: 2x y(dy)/(dx)=x^2+y^2

Solve (x-y^(2)x)dx=(y-x^(2)y)dy .

Solve (1+2e^(x//y))dx+2e^(x//y)(1-x//y)dy=0.

Solve (x+y(dy)/(dx))/(y-x(dy)/(dx))=x^2+2y^2+(y^4)/(x^2)

Solve: 2y dy/dx=e^((x^2+y^2)/x)+(x^2+y^2)/x-2x

solve x+y=5, 2x+2y=10

Simplify: x/(x-y)-y/(x+y)-(2x y)/(x^2-y^2)

Let x,y,z be the vector, such that |x|=|y|=|z| =sqrt(2) and x,y,z make angles of 60^(@) with each other. If x times (y times z) = a . The value of y is:

((10x^(2)y)/(x^(2)+xy))times(((x+y)^(2))/(2xy))÷((x^(2)-y^(2))/(y^(2))) Which of the following is equivalent to the expression above?