Math, asked by vamsikrishnamanuri4, 9 months ago

the expansion of (5a-1)^3

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Answered by lakshmi7272

1

HOPE MY ANSWER HELPS U

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Answered by aurora2007

0

Step-by-step explanation:

(a-b) =a³-3a²b+3ab²-b²

(5a-1)=(5a)³(1)+3(5a)(1)²-(1)³

=125a³-15a²+15a²-1³

( cross -15a²and+15a²)

=125a³+1

I hope it helps you.

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