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The sum of first 9 terms of the serie...

The sum of first 9 terms of the series :
`1^3/1+(1^3+2^3)/(1+3)+(1^3+2^3+3^3)/(1+3+5)+....` is :

A

`(n+2)/3`

B

`(n(n+2))/3`

C

`(n(n-2))/3`

D

`(n(n-2))/6`

Text Solution

Verified by Experts

The correct Answer is:
B
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