Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 11 - Sequences; Induction; the Binomial Theorem - Section 11.3 Geometric Sequences; Geometric Series - 11.3 Assess Your Understanding - Page 845: 82

Answer

$r=-1$, geometric, $S_{50}=0$

Work Step by Step

Based on the given series, we have $r=-1$, it is geometric, $S_{50}=\frac{-3((-1)^{50}-1)}{-1-1}=0$
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