#### 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.

Published by
Cengage Learning

ISBN 10:
0-49539-132-8

ISBN 13:
978-0-49539-132-6

$a_n = n^2/3^n$

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