The middle term in the expansion of ${\left( {x + \frac{1}{{2x}}} \right)^{2n}}$, is
The middle term in the expansion of ${\left( {x + \frac{1}{{2x}}} \right)^{2n}}$, is
- A
$\frac{{1.3.5....(2n - 3)}}{{n!}}$
- B
$\frac{{1.3.5....(2n - 1)}}{{n!}}$
- C
$\frac{{1.3.5....(2n + 1)}}{{n!}}$
- D
None of these
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