(2x+y)2 = ?
(a) (4x2 + y2 + 4xy) (b) (4x2 – y2 - 4xy) (c) (2x2 + y2 + 2xy) (d) (4x2 + y2 - 4xy)
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Answer:
ans d is correct
Step-by-step explanation:
see (a+b)2 is A2+b2+2ab
so (2x)2+y2+4xy
4x2+y2+4xy
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