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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+1`

B

`(n)/(2)`

C

`n+2`

D

None of these

Text Solution

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The correct Answer is:
B
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