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
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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Question
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?
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