Question

Factorization of x⁴- y⁴ is

Answer 1

x⁴ - y⁴ = (x²)² - (y²)² ........[as a⁴ = (a²)² ]

(x²)² - (y²)²

(x² + y² )(x² - y²)..............[a² - b² = (a+b)(a-b)]

(x² + y²)(x-y)(x+y)...........[a²-b² = (a+b)(a-b)]

Answer:-

(x² + y²)(x-y)(x+y)

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