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If (sum n^(3))(sum n)=(sum n^(2))^(2), t...

If `(sum n^(3))(sum n)=(sum n^(2))^(2)`, then

A

`n=3`

B

`n=1`

C

` n^(2)=3`

D

` n=1`

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The correct Answer is:
C
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