College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 9 - Section 9.1 - Sequences - 9.1 Assess Your Understanding: 24

Answer

The first five terms are: $a_1 = 3; \\a_2= \dfrac{9}{2}; \\a_3= 9; \\a_4= \dfrac{81}{4}; \\a_5= \dfrac{243}{5}$

Work Step by Step

Substitute $n=1, 2, 3, 4, 5$ to obtain: $a_1 = \dfrac{3^1}{1}=\dfrac{3}{1}=3; \\a_2= \dfrac{3^2}{2}=\dfrac{9}{2}; \\a_3= \dfrac{3^3}{3}=\dfrac{27}{3}=9; \\a_4= \dfrac{3^4}{4}=\dfrac{81}{4}; \\a_5= \dfrac{3^5}{5}=\dfrac{243}{5}$
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