(a) For each of the following sequences (an) determine whether the series (ii) an is convergent or divergent, using one of the tests seen in lectures. You do not need to calculate the sum. (i) an = 1 n! ∞ Σ n=1 n³ 3n' An
(a) For each of the following sequences (an) determine whether the series (ii) an is convergent or divergent, using one of the tests seen in lectures. You do not need to calculate the sum. (i) an = 1 n! ∞ Σ n=1 n³ 3n' An
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Sequences And Series
Section8.3: Geometric Sequences
Problem 98E
Related questions
Question
Please only answer part A,ii. Please can i have a written working out for this question. Thank You!
![(a) For each of the following sequences (an) determine whether the series
(i) an
(ii) an
is convergent or divergent, using one of the tests seen in lectures. You do not need
to calculate the sum.
(iii) an
(iv)
an
=
=
n!
n³
3n
&
3n - 3
2n 2
(−1)n
In(n+1)*
∞
n=1
is absolutely convergent.
an
:1
(b) Suppose that the series Σ1 an and Σ1 bn are absolutely convergent. Prove
directly from the definition that the series
n=1
∞
Σ(an + bn)
n=1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c5136e6-35b5-420e-8d27-15931b5cbc7e%2F0409e37a-ba31-48bd-8536-5d7f9c5c056a%2F1ow0lne_processed.png&w=3840&q=75)
Transcribed Image Text:(a) For each of the following sequences (an) determine whether the series
(i) an
(ii) an
is convergent or divergent, using one of the tests seen in lectures. You do not need
to calculate the sum.
(iii) an
(iv)
an
=
=
n!
n³
3n
&
3n - 3
2n 2
(−1)n
In(n+1)*
∞
n=1
is absolutely convergent.
an
:1
(b) Suppose that the series Σ1 an and Σ1 bn are absolutely convergent. Prove
directly from the definition that the series
n=1
∞
Σ(an + bn)
n=1
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