00 5" Use the ratio test to determine whether converges or diverges. (2n)! п 21 (a) Find the ratio of successive terms. Write your answer as a fully simplified fraction. For n > 21, an+1 lim lim n00 an (b) Evaluate the limit in the previous part. Enter oo as infinity and -00 as -infinity. If the limit does not exist, enter DNE. an+1 lim n00 (C) By the ratio test, does the series converge, diverge, or is the test inconclusive? Choose

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 76E
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Use the ratio test to determine whether ∑n=21∞5n(2n)!∑n=21∞5n(2n)!x converges or diverges.

(a) Find the ratio of successive terms. Write your answer as a fully simplified fraction. For n≥21n≥21,

  limn→∞∣∣∣an+1an∣∣∣=limn→∞limn→∞|an+1an|=limn→∞    


(b) Evaluate the limit in the previous part. Enter ∞∞ as infinity and −∞−∞ as -infinity. If the limit does not exist, enter DNE.
limn→∞∣∣∣an+1an∣∣∣limn→∞|an+1an| = 

(c) By the ratio test, does the series converge, diverge, or is the test inconclusive?      

00
5"
Use the ratio test to determine whether
converges or diverges.
(2n)!
п 21
(a) Find the ratio of successive terms. Write your answer as a fully simplified fraction. For n > 21,
an+1
lim
lim
n00
an
(b) Evaluate the limit in the previous part. Enter oo as infinity and -00 as -infinity. If the limit does not exist, enter DNE.
an+1
lim
n00
an
(C) By the ratio test, does the series converge, diverge, or is the test inconclusive? Choose
Transcribed Image Text:00 5" Use the ratio test to determine whether converges or diverges. (2n)! п 21 (a) Find the ratio of successive terms. Write your answer as a fully simplified fraction. For n > 21, an+1 lim lim n00 an (b) Evaluate the limit in the previous part. Enter oo as infinity and -00 as -infinity. If the limit does not exist, enter DNE. an+1 lim n00 an (C) By the ratio test, does the series converge, diverge, or is the test inconclusive? Choose
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