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The sum of the series 3/(1^2)+5/(1^2+2^2...

The sum of the series `3/(1^2)+5/(1^2+2^2)+7/(1^2+2^2+3^2)+.....` upto n terms , is

A

`(n)/(n+1)`

B

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

C

`(6n)/(n+1)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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