Math, asked by samriddhi1412, 7 months ago

find the cube of (3a-1/a).

Answers

Answered by kaushik322420

2

(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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