Algebra and Trigonometry 10th Edition

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

Chapter 11 - 11.3 - Geometric Sequences and Series - 11.3 Exercises - Page 795: 18

Answer

$a_1=2$ $a_2=2\pi$ $a_3=2\pi^2$ $a_4=2\pi^3$ $a_5=2\pi^4$

Work Step by Step

$a_n=a_1r^{n-1}$ $a_1=2,~~r=\pi$ $a_2=2(\pi)^{2-1}=2\pi$ $a_3=2(\pi)^{3-1}=2\pi^2$ $a_4=2(\pi)^{4-1}=2\pi^3$ $a_5=2(\pi)^{5-1}=2\pi^4$
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