Question

Factorize : x⁴-9y⁴ please do it fast

Answer 1

Answer:

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Answer 2

Answer:

=x⁴-9y⁴

=(x²)²-(3y²)²

=(x²+3y²)(x²-3y²)

=(x²+3y²)[x²-(√3y)²]

=(x²+3y²)(x+√3y)(x-√3y)

Step-by-step explanation:

Use formula : a²-b²=(a+b)(a-b)