Answer
$\frac{1}{n^2+3n+2}$
Work Step by Step
$\frac{n!}{(n+2)!}$
$=\frac{n!}{(n+2)(n+1)(n)!}$
$=\frac{1}{(n+2)(n+1)}$
$=\frac{1}{n^2+3n+2}$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 9 - Inifnite Series - 9.1 Exercises - Page 592: 18
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