Answer
$a_1=1$
$a_2=3$
$a_3=1$
$a_4=3$
Work Step by Step
We know that $a_n=2+(-1)^n$. Hence, here:
$a_1=2+(-1)^1=2+(-1)=1$
$a_2=2+(-1)^2=2+1=3$
$a_3=2+(-1)^3=2+(-1)=1$
$a_4=2+(-1)^4=2+1=3$
University Calculus: Early Transcendentals (3rd Edition)
by Hass, Joel R.; Weir, Maurice D.; Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0321999584
ISBN 13:
978-0-32199-958-0
Chapter 9 - Section 9.1 - Sequences - Exercises - Page 487: 4
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