1.

The L. C. M. of x2 - y2, x3 - y3 and x3 - x2y - xy2 + y3 is:

A. (x + y) (x - y) (x2 + y2 + xy)
B. (x + y)2 (x - y)2
C. (x + y) (x - y)2 (x2 + y2 + xy)
D. (x + y) (x - y)2 (x2 + y2 - xy)
Answer» D. (x + y) (x - y)2 (x2 + y2 - xy)


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