10) n -1)" 1 n 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 52E
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Use any method to determine if the series converges or diverges. Give reasons for your answer.

 

10) n
-1)" 1
n 1
Transcribed Image Text:10) n -1)" 1 n 1
Expert Solution
Step 1

The given series is

-(-1)110)
10 n
Step 2

The n-th term of the series is

(-1)" (1-10)
10) п
an
п
Step 3

Note:  

(i)
The n-th term test:
lim an
0 is the necessary condition for a series to be
п-0
convergent
n
(ii)
lim
ex
1+
пэ0о
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