Sunday, 10 July 2016

FACTORIZATION 1


Factorize 121-d2

Solution

We use difference of two squares a2 – b2 = (a - b)(a + b)

121-d2 = 112-d2       

        = (11 - d)(11 + d)

Hence 121-d2 = (11 - d)(11 + d)

TRY THIS…………….



Factorize 144 - c2

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