Q. 23.7( 6 Votes )

Factorize each of

Answer :

Consider 27x2 - 12y2,

Taking 3 common we get,

3 [(3x)2 – (2y)2]

As we know a2 - b2 = (a-b) (a+b)

= 3 (3x + 2y) (3x – 2y)

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