Binomial TheoremHard

Question

The sum of the series (12 + 1). 1! + (22 + 1). 2! + (32 + 1). 3! + ....... + (n2 + 1). n! is -

Options

A.(n + 1) . (n + 2)!
B.n . (n + 1)!
C.(n + 1) . (n + 1)!
D.none of these

Solution

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