1.

If f(x+y, x-y)=xy then the arithmetic mean of f(x, y) and f(y, x) is (1) x(2) y(3) 0(4) (x^2-y^2)

Answer» If f(x+y, x-y)=xy then the arithmetic mean of f(x, y) and f(y, x) is
(1) x
(2) y
(3) 0
(4) (x^2-y^2)


Discussion

No Comment Found