Find a formula for the nth partial sum of the series and use it to find the series' sum. 9. +... +(- 1)" -1 5n-1 9- 1. 25 125 1 9 1- (-5) 45 (-5)" 15 O A. S= OB. 1+ 91- 91- (-5)h-1 (-5)-1 15 45 O C. Sn= O D. S,= 1 4. 1+5 1 1+

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question 8
Find a formula for the nth partial sum of the series and use it to find the series' sum.
9.
9.
+ ... +(- 1)n-1
125
9
+...
25
5h-1
1
91-
(-5)"
45
(-5)"
15
O A. Sn=
O B. S,=
S=
1
1+
1
1+5
1
1
91-
91-
(-5)n-1
15
(-5)n-1
45
O C. S=
O D. Sn=
1
1+
1
1+
4.
Transcribed Image Text:Find a formula for the nth partial sum of the series and use it to find the series' sum. 9. 9. + ... +(- 1)n-1 125 9 +... 25 5h-1 1 91- (-5)" 45 (-5)" 15 O A. Sn= O B. S,= S= 1 1+ 1 1+5 1 1 91- 91- (-5)n-1 15 (-5)n-1 45 O C. S= O D. Sn= 1 1+ 1 1+ 4.
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