Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - 11.5 - The Binomial Theorem - 11.5 Exercises - Page 813: 7

Answer

$_{12}C_0=1$

Work Step by Step

$_nC_r=\frac{n!}{(n-r)!\times r!}$ $_{12}C_0=\frac{12!}{(12-0)!\times(0!)}=\frac{12!}{12!\times1}=\frac{1}{1}=1$
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