The product of (x^4 + y^4)(x^4 -y^4)
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x^8 - y^8
Using identity (a-b)(a+b) = (a^2 - b^2)
Using identity (a-b)(a+b) = (a^2 - b^2)
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Answer:
(x^4+y^4)(x^4-y^4)
= (x^4+y^4)[(x^2)^2-(y^2)^2]
= (x^4+y^4)[(x^2+y^2)(x^2-y^2)]
= (x^4+y^4)[(x^2+y^2)(x+y)(x-y)]
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