Answer
(n + 3)
Work Step by Step
$\frac{(n+3)!}{(n+2)!}$
= $\frac{(n+3)(n+2)(n+1)(n)(n-1)(n-2)(n-3)- - - - -}{(n+2)(n+1)(n)(n-1)(n-2)(n-3)- - - - -}$
= (n+3)
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 8 - Sequences, Induction, and Probability - Concept and Vocabulary Check - Page 714: 7
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