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Subject :IMO    Class : Class 9

star.eps x12- y12 =

(A) (x - y)(x2 + xy + y2)(x + y)(x2 -xy + y2)(x2 + y2)(x4- x2y2 + y4)

(B) (x + y)(x2 -xy + y2)(x + y)(x2 - xy + y2)(x2 + y2)(x4- x2y2 + y4)

(C) (x + y)(x2 + xy - y2)(x + y)(x2 -xy + y2)(x2 + y2)(x4- x2y2 + y4)

(D) (x- y)(x2 - xy + y2)(x + y)(x2 - xy + y2)(x2 + y2)(x4 - x2y2 + y4)


Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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