Expand the following: (2 a+1 2 a )^2 - Vidyadip

Question

Expand the following$:\left(2 a+\frac{1}{2 a}\right)^2$

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Answer

$\left(2 a+\frac{1}{2 a}\right)^2 $
$=(2 a)^2+2(2 a)\left(\frac{1}{2 a}\right)+2 a^2$
$ =4 a^2+2+\frac{1}{4 a^2}$

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