Question

what us the factorisation of x^4 - y^4 ??​

Answer 1

Answer:

(x×x×x×x)-(y×y×y×y)

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(x⁴-y⁴)

(x²+y²)(x²+y²)

(x²+y²)(x+y)(x-y)

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