1.

The factors of x3 −x2y − xy2 + y3 are(a)(x + y) (x2 − xy + y2)(b) (x + y) (x2 + xy + y2)(c) (x + y)2 (x − y)(d) (x − y)2 (x + y)

Answer» The factors of x3 −x2y − xy2 + y3 are



(a)(x + y) (x2 − xy + y2)



(b) (x + y) (x2 + xy + y2)



(c) (x + y)2 (x − y)



(d) (x − y)2 (x + y)


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