60. Let the function f(a, b) be defined as f(a, b) = b2 - a. For all x and y, f ((x2 + y2),(x - y))= ?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

f( x2+y2 ), \( xy ) )=( xy )2-( x2 +y2 )=-2xy