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The sum V1+V2+.....Vn is...

The sum `V_1+V_2+.....V_n` is

A

`1/12n(n+1)(3n^2-n+1)`

B

`1/12n(n+1)(3n^2+n+1)`

C

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

D

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

Text Solution

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The correct Answer is:
B
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