Is y^2 + 7y + xy even?
(1) (x + y)(x - y) is a multiple of 4
(2) (x + 2)(x - 2) is a multiple of 4
Source : 4gmat![]()
(1) (x + y)(x - y) is a multiple of 4
(2) (x + 2)(x - 2) is a multiple of 4
Source : 4gmat