Sum of the series sum(r=1)^(n) (r^(2)+1)...

Sum of the series `sum_(r=1)^(n) (r^(2)+1)r!` is

A

`(n+1)!`

B

`(n+2)!-1`

C

`n*(n+1)!`

D

`n*(n+2)!`

Verified by Experts

The correct Answer is:

C

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