Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 13 - Sequences and Series - 13.1 Sequences - Exercises and Problems for Section 13.1 - Exercises and Problems - Page 540: 44


$$ (-1)^{n-1}$$

Work Step by Step

We see that each term is the opposite of the last one. Thus, the first four terms are: $$1,-1,1,-1$$ We find that the general form, therefore, will be: $$ (-1)^{n-1}$$
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