The value of \[{{2}^{n}}\,\{1.3.5.....(2n-3)\,(2n-1)\}\] is – McqOptions

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1.	The value of \[{{2}^{n}}\,\{1.3.5.....(2n-3)\,(2n-1)\}\] is
A.	\[\frac{(2n)\,!}{n\,!}\]
B.	\[\frac{(2n)\,!}{{{2}^{n}}}\]
C.	\[{{2}^{n-i}}\]
D.	None of these
Answer» B. \[\frac{(2n)\,!}{{{2}^{n}}}\]

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