A.  (n2 + n + 11)/(n + 1)!

B.  (n2 + 4n + 5)/(n + 2)!

C.  (n2 + 6n + 3)/(n + 1)!

D.  None

1
Correct Answer :
(n2 + 4n + 5)/(n + 2)!
Explanation :
No Explanation available for this question

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