Solution
Expression : $$(2x-y)^2$$
= $$(2x)^2+(-y)^2+2(2x)(-y)$$
= $$4x^2+y^2-4xy$$
=> $$(2x+y)^2$$
= $$(2x)^2+(y)^2+2(2x)(y)$$
= $$4x^2+y^2+4xy$$
=> Ans - (A)
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