Saturday, 28 November 2015

DIFFERENCE OF 2 SQUARES 1




Factorize 1-A2

Solution

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

1-A2 = 12-A2       

        = (1 - A)(1 + A)

Hence 1-A2 = (1 - A)(1 + A)

TRY THIS…………….


Factorize 16 - Y2


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