The sum of the series 12-1 -1 -22-1 - 2 -32-1 - 3 - n 2-1 - n - is -A- n -n-1 -B- n-1 -n-2 -C- n-1 -n-1 -D- none of these

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Sum of n Terms

The sum of th...

Question

The sum of the series $(1^{2} + 1) .1! + (2^{2} + 1) .2! + (3^{2} + 1) .3! + . . . . + (n^{2} + 1) . n! i s :$

(n + 1). (n+2)!

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n.(n+1)!

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(n + 1). (n+1)!

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none of these

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