If `f (x+y, x-y) = xy`, then the arithmetic mean of `f(x,y) and f(y, x)` isA. xB. yC. 0D. `(x^(2)-y^(2))/(2)`

If `f (x+y, x-y) = xy`, then the arithmetic mean of `f(x,y) and f(y, x

InterviewSolution

1.	If `f (x+y, x-y) = xy`, then the arithmetic mean of `f(x,y) and f(y, x)` isA. xB. yC. 0D. `(x^(2)-y^(2))/(2)`
Answer» Correct Answer - C