Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 25RE
Related questions
Question
Whar is the Taylor series representation for f(x)=ln(1+4x) and the interval of convergence?
Expert Solution
Step 1
we know that
Replacing x by -4x , we get
Step 2
We will use the Ratio test to find radius of convergence.
By ratio test , the series converges for
When , series become
which is divergent
When x=1/4, series become
which is also not convergent.
Therefore, interval of convergence is (-1/4,1/4)
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