If f and g have power series representations centered at x = 0 of radii R1 and R2, respectively, then the product fg has a power series representation centered at x = 0 of radius R, where R = min{R1, R2}.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 50E
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decide if the given statement is true or false,and give a brief justification for your answer.If true, you can quote a relevant definition or theorem . If false,provide an example,illustration,or brief explanation of why the statement is false.

If f and g have power series representations centered
at x = 0 of radii R1 and R2, respectively, then the
product fg has a power series representation centered
at x = 0 of radius R, where R = min{R1, R2}.
Transcribed Image Text:If f and g have power series representations centered at x = 0 of radii R1 and R2, respectively, then the product fg has a power series representation centered at x = 0 of radius R, where R = min{R1, R2}.
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