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The sum sum(r=0)^(n) (r+1)C(r)^(2) is e...

The sum `sum_(r=0)^(n) (r+1)C_(r)^(2)` is equal to :

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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RESONANCE-DPP-QUESTION
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