The value of underset(r=1)overset(n)sum(...

The value of `underset(r=1)overset(n)sum(-1)^(r+1)(.^(n)C_(r))/(r+1)` is equal to

A

`-(1)/(n+1)`

B

`-(1)/(n)`

C

`(1)/(n+1)`

D

`(n)/(n+1)`

Verified by Experts

The correct Answer is:

D

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