Wednesday, 16 December 2015

DIFFERENCE OF 2 SQUARES - 4


Factorize 1-B2

Solution

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

1-B2 = 12-B2       

        = (1 - B)(1 + B)

Hence 1 - B2 = (1 - B)(1 + B)

TRY THIS…………….



Factorize 16 - W2

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