1.

Using suitable identities, find the following (4x+7y)2 step by step answered please my paper was there

Answer»

ANSWER:

IDENTITY » (a+b)² = a²+2ab+b²

(4X+7Y

= (4x)² + 2(4x)(7y) + (7y)²

= 16x²+56xy+49y²



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