Monday 23 March 2015

FACTORIZATION 1


Factorize 1-r2

Solution

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

1-r2 = 12-r2      

        = (1 - r)(1 + r)

Hence 1-r2 = (1 - r)(1 + r)

TRY THIS…………….

Factorize 36 - c2


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