Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 11 - Section 11.1 - Sequences - Exercise Set: 3

Answer

$-1, 1, -1, 1, -1$

Work Step by Step

Let's evaluate $a_1, a_2, a_3, a_4, $and $a_5$ by plugging in $1, 2, 3, 4, $ and $5$ for each $n$. $a_1 = (-1)^1 = -1$ $a_2 = (-1)^2 = 1$ $a_3 = (-1)^3 = -1$ $a_4 = (-1)^4 = 1$ $a_5 = (-1)^5 = -1$
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