Find the radius of convergence of the power series 2n+ly" 2 9n (n+4) (You do NOT need to find the interval of convergence.) RADIUS OF CONVERGENCE:
Find the radius of convergence of the power series 2n+ly" 2 9n (n+4) (You do NOT need to find the interval of convergence.) RADIUS OF CONVERGENCE:
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...
Related questions
Question
![Find the radius of convergence of the power series
2n+ly"
2 9n (n+4)
(You do NOT need to find the interval of convergence.)
RADIUS OF CONVERGENCE:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6c38527-939c-413b-9a6c-44dd59a88629%2F5e981abc-2ee5-4608-a9aa-5a523a70975b%2Fwxzowkj.png&w=3840&q=75)
Transcribed Image Text:Find the radius of convergence of the power series
2n+ly"
2 9n (n+4)
(You do NOT need to find the interval of convergence.)
RADIUS OF CONVERGENCE:
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Find the radius of convergence.
![Given:
2n+1,n
Σ
n=09" (n+4)
Consider,
2n+1 xn
An
9" (n+4)
2n+1+lyn+l _ 2n+2,n+1
"n+1 9n+1(n+1+4) 9"+l(n+5)](https://content.bartleby.com/qna-images/answer/b6c38527-939c-413b-9a6c-44dd59a88629/b1887b0c-6114-477b-b429-b70bcac1330e/8ygwwar.png)
Step 2
Apply ratio test.
!['n+l <1
(i.e.) limn-0
| 2n+2„n+1
9n+ (n+5)
<1
2n+1yn
lim,
9" (n+4)
| 2n+2„n+1 _9"(n+4)
<1
lim,
п0
9n+1(n+5) 2n+l,n
(n+4|
2x
<1
lim n0 9
'n-
(n+5)](https://content.bartleby.com/qna-images/answer/b6c38527-939c-413b-9a6c-44dd59a88629/b1887b0c-6114-477b-b429-b70bcac1330e/2rp20fl.png)
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![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
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