Answer
$a_n = n^2/3^n$
Work Step by Step
The numerator is always a square number from which we can deduce $n^2$
The denominator can be found to be $3^n$ since the denominator is always a power of 3.
Discrete Mathematics with Applications 4th Edition
by Epp, Susanna S.
Published by
Cengage Learning
ISBN 10:
0-49539-132-8
ISBN 13:
978-0-49539-132-6
Chapter 5 - Sequences, Mathematical Induction, and Recursion - Exercise Set 5.1 - Page 243: 14
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