(2x+xy) (2x+xy) fund the product using a suitable identity
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Answer:
(2x+xy) (2x+xy)
=(2x+xy) ²
=using identity (a+b)²=a²+2ab+b²
=(2x)²+2(2xy)(xy)+(xy)²
=4x²+4x²y²+x²y²
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