Answer
a) $2,0,2,0$
b) $1,-1,1,-1$
c) $2[1+(-1)^n]$; $2[1+(-1)^{n+1}]+4\cos n\pi$
Work Step by Step
The answer:
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Chapter 9 - Infinite Series - 9.1 Sequences - Exercises Set 9.1 - Page 605: 3
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