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The coefficient of (1)/(x) in the expan...

The coefficient of `(1)/(x)` in the expansion of
`((1)/(x)+1)^(n)(1+x)^(n) `is

A

`2 n C_(n) `

B

`2 n C_(n-1) `

C

`2 n C_(1) `

D

`n C_(n-1) `

Text Solution

Verified by Experts

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