English, asked by shobhitmoondra23, 6 months ago

Q2. Factorize a^4 - 81

Answers

Answered by troyshawk

0

Answer:

a^4-18

a^4-3^4

(a^2-3^2) (a^2+3^2)

(a-3) (a+3) (a^2-3^2)

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