Answer
$(-1)^nn^2$
Work Step by Step
Find a common pattern between the terms. The terms are all perfect squares with alternating signs. This suggests the general form $(-1)^nn^2$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Review - Page 667: 6
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