Answer
$a_{n}=6(3)^{n-1}$
Work Step by Step
Given,
$a_{1}=6$
$r = 3$
Substituting $a_{1}$ and $r$ in
$a_{n}= a_{1}(r)^{n-1}$
we get,
$a_{n}=6(3)^{n-1}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Section 11.2 - Arithmetic and Geometric Sequences - Exercise Set - Page 647: 51
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