Let -X = x -x f(x) = Find the power series representation for the function f(x) by completing the following steps: a. First, express the fraction b. Now, express the fraction = = 1 + x X as a power series. c. The function f(x) 1+x 1-x + 1-x (a) and (b). Express the function f(x) as a power series. as a power series. is the sum of the two series from parts d. What is the interval of convergence and the radius of convergence for this power series?

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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Let
f(x)
=
1 + x
1 X
Find the power series representation for the function f(x) by completing the
following steps:
a. First, express the fraction 1¹ as a power series.
=
X
b. Now, express the fraction as a power series.
1-x
1+x
x
c. The function f(x)
1-x
1-x
+ 1 is the sum of the two series from parts
(a) and (b). Express the function f(x) as a power series.
d. What is the interval of convergence and the radius of convergence for this power
series?
Transcribed Image Text:Let f(x) = 1 + x 1 X Find the power series representation for the function f(x) by completing the following steps: a. First, express the fraction 1¹ as a power series. = X b. Now, express the fraction as a power series. 1-x 1+x x c. The function f(x) 1-x 1-x + 1 is the sum of the two series from parts (a) and (b). Express the function f(x) as a power series. d. What is the interval of convergence and the radius of convergence for this power series?
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