urgent please answer
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Answer:
a) x^8 - y^8
Step-by-step explanation:
(x+y)(x-y)(x^2+y^2)(x^4+y^4)
= (x^2-y^2)(x^2+y^2)(x^4+y^4)
= (x^4-y^4)(x^4+y^4)
= x^8 - y^8
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