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The sum of n terms of the series : 5 +...

The sum of n terms of the series :
5 + 11 + 19+ 29+ 41 . . . is

A

`(n(n-1)(n-+7))/(5)`

B

`(n (n+2)(n+4))/(3)`

C

`(n(n+5)(n+1))/(9)`

D

`((n+1)(n+3)(n+7))/(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
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