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: 2



Work Step by Step

$a_2=a_1r=a_1r^{2-1}$ $a_3=a_2r=a_1r^{3-1}$ $a_4=a_3r=a_1r^{4-1}$ ... $a_n=a_{n-1}r=a_1r^{n-1}$
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