Math, asked by syedatehseenzahra05, 14 days ago

Resolve into factors:
I)4x^4+81
STEP BY STEP ​

Answers

Answered by arinimaity2007
1

4x^4+81

=(2x^2)^2+9^2

=(2x^2+9)^2-2×2x^2×9

=(2x^2+9)^2-36x^2

=(2x^2+9)^2-(6x)^2

=(2x^2-6x+9)(2x^2+6x+9)

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