Question

Factorize the following algebraic expression :x4 - 81y^4
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Answer 1

Answer:

• x^4 - 81y^4
• (x^2)^2 - ((3y^2)^2)
• (x^2 + 3y^2)(x^2 - 3y^2)
• (x^2 + 3y^2)(x + Root3y)(x - Root 3y)

That's the answer mate :)