Answer
Yes.
Work Step by Step
If the numbers are the same ($k$), then the common ratio is: $\frac{k}{k}=1$, hence it is geometric and the common difference is $k-k=0$, thus it is arithmetic. Hence the answer is yes.
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 827: 107
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