Factorize: x4+x2y2+y4 – InterviewSolution

1.

Factorize: x4+x2y2+y4

Answer»

Given,

x⁴+x²y²+y⁴ = x⁴+2x²y²+y⁴ – x²y²

= (x²y²)² – (xy)²

= (x²+ y² – xy) (x²+ y² + xy)

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