Algebra and Trigonometry 10th Edition

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

Chapter 11 - 11.1 - Sequences and Series - 11.1 Exercises - Page 778: 52


$a_1=3$ $a_2=4$ $a_3=6$ $a_4=10$ $a_5=18$

Work Step by Step

$a_1=3$ $a_{k+1}=2(a_k-1)$ $a_2=2(a_1-1)=2(3-1)=4$ $a_3=2(a_2-1)=2(4-1)=6$ $a_4=2(a_3-1)=2(6-1)=10$ $a_5=2(a_4-1)=2(10-1)=18$
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