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The vaule of sum(r=0)^(n-1) (""^(C(r))...

The vaule of ` sum_(r=0)^(n-1) (""^(C_(r))/(""^(n)C_(r) + ""^(n)C_(r +1))` is equal to

A

`(n(n+1))/( 2)`

B

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

C

`(n+1)/(2)`

D

`(n)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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