Thursday, 30 April 2015

DIFERRENCE OF 2 SQUARES - 7




Factorize 1-m2

Solution

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

1-m2 = 12-m2       

        = (1 - m)(1 + m)

Hence 1 - m2 = (1 - m)(1 + m)


TRY THIS…………….


Factorize 16 - y2

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