$n^{2}+3n+2$=

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$n^{2}+3n+2$=

E

Editor

Sep 18, 2022

$n^{2}+3n+2$=

Difficulty: Easy

A:

\frac{n!}{(n-1)!}

B:

\frac{(n-1)!}{n!}

C:

\frac{(n+2)!}{n!}

D:

\frac{(n-2)!}{n!}

ID: 63273dbaca83163ac3a123c9