Math, asked by mihikaguha20, 7 months ago

(3a-1/a)³

solve using identities

Answers

Answered by Magzy

1

Answer:

(3a-1/a)³

=27a³-1-3 x 3a 1(3a-1)/a³

=27a³-1-9a(3a-1)/a³

=27a³-1-27a²+9a/a³

=27a³-27a²+9a-1/a³

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