Question

Real function f(x) follows the equation f(x2 − y2) = (x – y)[f(x) + f(y)], for all real values of x and y. Which of these is true about f(x)?


1) It is an odd function only for odd values of x and y
2) It is an odd function only for even values of x and y
3) It is always an odd function
4) It is always an even function
5) None of these

Answer 1

x2 means? x squared?

Answer 2

ya.........