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The coefficient of the middle term in th...

The coefficient of the middle term in the expansion of `(1+x)^(2 n)` is

A

`(1. 3. 5....(2 n-1))/(n !) 2^(n) `

B

`(1. 3. 5...(2 n-1))/((n !)^(2)) 2^(n) `

C

`((2 n) !)/((n !)^(2)) 2^(n) `

D

none of these

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The correct Answer is:
A
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HIMALAYA PUBLICATION-BINOMIAL THEOREM-QUESTION BANK
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