Answer
$8$
Work Step by Step
Binomial coefficient can be found as:
$\dbinom{n}{r}=\dfrac{n!}{r!(n-r)!}$
Thus, $\dbinom{8}{1}=\dfrac{8!}{1!(8-1)!}$
or, $=\dfrac{ 8 \cdot 7!}{7!}$
or, $=8$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Section 11.4 - The Binomial Theorem - Exercise Set - Page 866: 61
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