Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 14 - Sequences, Series, and the Binomial Theorem - 14.1 Sequences and Series - 14.1 Exercise Set - Page 894: 37

Answer

$a_n=(-1)^n$

Work Step by Step

If we look at the pattern: $ -1, 1, -1, 1, ...$ $(-1)^1, (-1)^2, (-1)^3, (-1)^4, ...$ Hence, the nth term in the sequence is: $a_n=(-1)^n$
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