Given: An = 7n -4n+1 For both of the following answer blanks, decide whether the given sequence or series is convergent or divergent. If convergent, enter the limit (for a sequence) or the sum (for a series). If divergent, enter oo if it diverges to infinity, -oo if it diverges to minus infinity, or DNE otherwise. ∞ Σ(Α). (a) The series (An). n=1 (b) The sequence {An}.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 82E
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Given:
An
=
7n
-4n+1
For both of the following answer blanks, decide whether the given sequence or series is
convergent or divergent. If convergent, enter the limit (for a sequence) or the sum (for a
series). If divergent, enter oo if it diverges to infinity, -oo if it diverges to minus infinity, or
DNE otherwise.
∞
Σ(Α).
(a) The series (An).
n=1
(b) The sequence {An}.
Transcribed Image Text:Given: An = 7n -4n+1 For both of the following answer blanks, decide whether the given sequence or series is convergent or divergent. If convergent, enter the limit (for a sequence) or the sum (for a series). If divergent, enter oo if it diverges to infinity, -oo if it diverges to minus infinity, or DNE otherwise. ∞ Σ(Α). (a) The series (An). n=1 (b) The sequence {An}.
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