Q26 of 274 Page 62

Factorize:

a3 + ab(1 – 2a) – 2b2

We have,



At first we’ll take common from the expression


= a3 + ab – 2a2b – 2b2


= a (a2 + b) – 2b (a2 + b)


= (a2 + b) (a – 2b)


Hence,


The given expression can be factorized as:



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