Question

factorise completely = x8-y8​

Answer 1

Answer:

(x⁴+y⁴) (x²+y²) (x+y) (x-y)

Step-by-step explanation:

x⁸-y⁸ = ( x⁴)² - ( y⁴)²

= (x⁴+y⁴) (x⁴-y⁴)       [ Using identity a²-b² = (a+b) (a-b)]

= (x⁴+y⁴) [(x²)² - (y²)²]

= (x⁴+y⁴) (x²+y²) (x²-y²)

ANS= (x⁴+y⁴) (x²+y²) (x+y) (x-y)

Answer 2

Answer:

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