Answer
True.
Work Step by Step
A geometric series $a,ar,ar^2,...,ar^n$ can be defined as:
if $n=1$ then $a$
if $n\geq2$ then $ar^{n-1}$
Hence the statement is true.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 12 - Sequences; Induction; the Binomial Theorem - 12.3 Geometric Sequences; Geometric Series - 12.3 Assess Your Understanding - Page 824: 6
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