College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 9 - Section 9.3 - Geometric Sequences; Geometric Series - 9.3 Assess Your Understanding: 8



Work Step by Step

RECALL: $S_n=a_1 \cdot \dfrac{1-r^n}{1-r}$ where $r\ne0, 1$, $a_1$ = the first term $r$ = common ratio Gives the sum of the first $n$ terms of a geometric sequence. Thus, the given statement is true.
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