The L.C.M. of x 2 - y 2 , x 3 - y 3 and x 3 - x 2 y - xy 2 + y 3 is

Correct Answer is : (x + y)(x - y)2(x2 + y2 + xy)

(x + y)(x - y) 2 (x2 + y2 + xy)

(x + y)(x - y) 2 (x2 + y2 - xy)