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The sum to n terms of series 1/1+1/(1+2)...

The sum to n terms of series `1/1+1/(1+2)+1/(1+2+3)+...` is

A

`n/(n+1)`

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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