Math, asked by Harish313, 10 months ago

Factorise this by using identities 9(2a+b)^2

Answers

Answered by ritika6994

1

Answer:

9(2a+b)^2

(18a+9b)^2

by using a formula of (a+b)²

(18a)²+(9b)²+2(18a)(9b)

324a+81b+324ab

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