The value of `(x+y)^2-(x-y)^2` is:

Find the value of (x-y)^(2)+(x+y)^(2)

If (x+2y)/(y)=5 , what is the value of (y)/(x) ?

The value of (x+y)(x-y)+1/(2!)(x+y)(x-y)(x^2+y^2)+1/(3!)(x+y)(x-y)(x^4+y^4+x^2y^2)+ ... is :

If m is the minimum value of f(x , y)=x^2-4x+y^2+6y when x and y are subjected to the restrictions 0lt=xlt=1 and 0lt=ylt=1, then the value of |m| is________

Let A=[(0, 2y,z),(x,y,-z),(x,-y,z)] such that A^(T)A=I , then the value of x^(2)+y^(2)+z^(2) is

What is the value of y ^(x ) +(2x - 2y ) when x=2 and y=-3 ?

If x^(y). y^(x)=16 , then the value of (dy)/(dx) at (2, 2) is

If x +y =a and x^(2) +y^(2)=b , then the value of (x^(3)+y^(3)) , is

If (y^(3)-2x^(2)y)dx+(2xy^(2)-x^(3))dy=0, then the value of xysqrt(y^(2)-x^(2)), is