Find the radius of convergence, R, of the series. 00 n = 3 +7 +6 6n! Find the interval, I, of convergence of the series. (Enter your answer using interval notation.)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 28RE: A ball has a bounce-back ratio 35 . of the height of the previous bounce. Write a series...
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sum n = 3 to infinity (X ^ (n+6))/(6*n!)

Find the radius of convergence, R, of the series.
n = 3
Find the interval, I, of convergence of the series. (Enter your answer using interval notation.)
lim
n→ co
00
Step 1
We will use the Ratio Test to determine the radius of convergence.
We have the following.
Step 2
+7 +6
6n!
an +1
an
lim
n→ ∞
=
=
Simplifying, we get lim
n→ ∞0
lim
n→ ∞0
=
||
lim
n→∞⁰ 6(n + 1)!
Step 3
Therefore, we now have the following.
an+ 1
a
+7+7
6(n + 1)!
+ 6
6n!
+7+7 6
Ix lim
= |x|.
n+1
1
n→ ∞⁰ n + 1
X
n!
+7+6
n+1
n!
Transcribed Image Text:Find the radius of convergence, R, of the series. n = 3 Find the interval, I, of convergence of the series. (Enter your answer using interval notation.) lim n→ co 00 Step 1 We will use the Ratio Test to determine the radius of convergence. We have the following. Step 2 +7 +6 6n! an +1 an lim n→ ∞ = = Simplifying, we get lim n→ ∞0 lim n→ ∞0 = || lim n→∞⁰ 6(n + 1)! Step 3 Therefore, we now have the following. an+ 1 a +7+7 6(n + 1)! + 6 6n! +7+7 6 Ix lim = |x|. n+1 1 n→ ∞⁰ n + 1 X n! +7+6 n+1 n!
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