Q2 of 59 Page 263

Evaluate the following by using suitable identities:

3042

Given:3042 = (300 + 4)2 = (300)2 + 2(300)(4) + (4)2

= 90000 + 2400 + 16, where a = 300 and b = 4 in the identity (a + b)2 = a2 + 2ab + b2


= 92416


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