Discrete Mathematics with Applications 4th Edition

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: 14

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.
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