Answer
1,3,1,3
Work Step by Step
Beacuse $a_{n}=2+(-1)^{n},$ so
$$a_{1}=2+(-1)^{1}=2-1=1$$
$$a_{2}=2+(-1)^{2}=2+1=3$$
$$a_{3}=2+(-1)^{3}=2-1=1$$
$$a_{4}=2+(-1)^{4}=2+1=3$$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 10: Infinite Sequences and Series - Section 10.1 - Sequences - Exercises 10.1 - Page 569: 4
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