Math, asked by lidi85401, 9 months ago

Factorise 64 a3-125 b3 by using Identity.

Answers

Answered by rsagnik437

7

64a³-125b³

(4a)³-(5b)³

We know that,x³-y³=(x-y)(x²+xy+y²)

(4a-5b)[(4a)²+4a×5b+(5b)²]

(4a-5b)(16a²+20ab+25b²)

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