Q. 124.1( 7 Votes )

Factorize:

121a2 – 88ab + 16b2

Answer :

Given,


121a2 – 88ab + 16b2


By using the formula (a – b)2 = a2 – 2ab + b2


We get,


= (11a)2 – 2 × 11a × 4b + (4b)2


= (11a – 4b)2


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