1 Let an = 9 √n + ln (n) and bn = Calculate the following limit. (Give an exact answer. Use symbolic notation and fractions where needed. Enter DNE if the limit does not exist.) an lim = n→∞ bn ∞ Determine the convergence of Σ an. n=1 ∞ Σan diverges by the Limit Comparison Test since Σb, diverges and lim is infinite. n→∞ bn n=1 n=1 an diverges by the Limit Comparison Test since bn diverges and lim an n→∞o bn exists and is finite. n=1 n=1 ∞ ∞0 an converges by the Limit Comparison Test since bn converges and lim does not exist. n=1 n=1 ∞0 ∞ Σ an converges by the Limit Comparison Test since bn converges. n=1 n=1 Ο Ο Ο an n→∞ bn

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 63RE
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Related questions
Question
1
Let an =
9
√n + In (n)
and bn
Calculate the following limit.
√n
(Give an exact answer. Use symbolic notation and fractions where needed. Enter DNE if the limit does not exist.)
an
lim =
n→∞ bn
∞
Determine the convergence of Σ an.
n=1
∞
an diverges by the Limit Comparison Test since
bn diverges and lim
an
is infinite.
n→∞ bn
n=1
∞
Σan diverges by the Limit Comparison Test since
bn diverges and lim
an
n→∞ bn
exists and is finite.
n=1
an converges by the Limit Comparison Test since
bn converges and lim does not exist.
an
bn
n→∞
n=1
n=
∞
∞
Σ
an converges by the Limit Comparison Test since b, converges.
n=1
n=1
=
Transcribed Image Text:1 Let an = 9 √n + In (n) and bn Calculate the following limit. √n (Give an exact answer. Use symbolic notation and fractions where needed. Enter DNE if the limit does not exist.) an lim = n→∞ bn ∞ Determine the convergence of Σ an. n=1 ∞ an diverges by the Limit Comparison Test since bn diverges and lim an is infinite. n→∞ bn n=1 ∞ Σan diverges by the Limit Comparison Test since bn diverges and lim an n→∞ bn exists and is finite. n=1 an converges by the Limit Comparison Test since bn converges and lim does not exist. an bn n→∞ n=1 n= ∞ ∞ Σ an converges by the Limit Comparison Test since b, converges. n=1 n=1 =
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