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# Radius of Convergence of the Power Series

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Complex Variable
Radius of Convergence of the Power Series

&#8734; &#8734;
Theorem:- &#8721; anzn is a power series and &#8721; nanzn - 1 is the power series obtained
n=0 n=0
by differentiating the first series term by term.
Then the derived series has the same radius of convergence as the original series.

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##### Solution Summary

This solution is comprised of a detailed explanation of the radius of convergence of the
&#8734;
power series &#8721; anzn.
n=0
It contains step-by-step explanation for the following problem:
&#8734; &#8734;
Theorem:- &#8721; anzn is a power series and &#8721; nanzn - 1 is the power series obtained
n=0 n=0
by differentiating the first series term by term.

Then the derived series has the same radius of convergence as the original series.

Solution contains detailed step-by-step explanation.

##### Solution Preview

Complex Variable
Radius of Convergence of the Power Series
...

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###### Education
• BSc, Manipur University
• MSc, Kanpur University
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