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What is the sum of n terms of the series...

What is the sum of n terms of the series `-1 + 1^2 - 2 + 2^2 - 3 + 3^2` … ?

A

`(n(n^2+1))/3`

B

`n^2+n`

C

`(n(n^2-1))/3`

D

none

Text Solution

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The correct Answer is:
D
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