Find in each of the following:
(x + y)2 = 2axy
We are given with an equation (x + y)2 = 2axy, we have to find of it, so by differentiating the equation on both sides with respect to x, we get,
2(x + y)(1 + ) = 2a[y + x]
x + y + [x + y] = a[y + x]
[x + y – ax] = ay – x – y