Find the square of: 2a + b
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hlo here is your ans
(2a+b)^2
= (2a)^2+b^2+2(2a)(b)
=4a^2+b^2+4ab
(2a+b)^2
= (2a)^2+b^2+2(2a)(b)
=4a^2+b^2+4ab
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