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 777: 16


$a_1=1$ $a_2=\frac{1}{4}$ $a_3=\frac{1}{9}$ $a_4=\frac{1}{16}$ $a_5=\frac{1}{25}$

Work Step by Step

$a_n=\frac{1}{n^2}$ $a_1=\frac{1}{1^2}=\frac{1}{1}=1$ $a_2=\frac{1}{2^2}=\frac{1}{4}$ $a_3=\frac{1}{3^2}=\frac{1}{9}$ $a_4=\frac{1}{4^2}=\frac{1}{16}$ $a_5=\frac{1}{5^2}=\frac{1}{25}$
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