Answer
$105$
Work Step by Step
Apply the formula used for solving binomial coefficients.
$\frac{15!}{(15-2)!\times2!}$
$\frac{15!}{(13)!\times2!}$
$105$
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 - Exercise Set 8.5 - Page 757: 6
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