1.

Evaluate using appropriate identity (3a+4b)³​

Answer»

ANSWER:

Using identity--(a+b)³=a³+b³+3a²b+3ab²

=(3A)³+(4b³)+3(3a)²(4b)+3(3a)

(4b)²

=27a³+64b³+108a²b+144ab²

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