Radius and disk of convergence

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Find the radius of convergence of the series sum from n = 1 to infinity of n^3(z/3)^n.

Does this series converge at any point on the boundary of the disk of convergence?

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convergence of series (complex)
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find the radius of convergence of the ...

Solution Summary

This shows how to find radius of convergence of a given series. Series converges at any point on the boundary of the disk of convergence are determined.

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