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1^(2) + 1+ 2^(2) + 2 + 3^(2) + 3+".........

`1^(2) + 1+ 2^(2) + 2 + 3^(2) + 3+"............"+n^(2) + n ` is equal to `:`

A

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

B

`[(n(n+1))/(2)]^(2)`

C

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

D

`(n(n+1)(n+2)(n+3))/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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