Q. 4 A5.0( 2 Votes )

Factorize :

a2 + 14a + 49

Answer :

Given a2 + 14a + 49 = a2 + 2× 7× a + (7)2


Comparing with (a+ b)2 = a2 + b2 + 2a×b


a = a and b = 7


So, a2 + 14a + 49 = (a + 7)(a + 7)


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