Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 10 - Section 10.5 - The Binomial Theorum - Exercise Set - Page 1092: 3



Work Step by Step

Binomial Coefficient can be defined as: $\displaystyle \binom{n}{k}=\dfrac{n!}{k!(n-k)!}$ Need to apply the formula to get the Binomial Coefficients. Here, $n=12,k=1$ Therefore, $\displaystyle \binom{12}{1}=\dfrac{12!}{1!(12-1)!}$ $=\dfrac{ 12 \cdot 11!}{11!}$ $\bf{(Simplify)}$ $=12$
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