what is the radius of convergence of the power series when an is given as

what is the radius of convergence of the power series Σan xⁿ, where

a0=1, ,2<= |an| <= 3 for all n>=1 ?

regards. thanx in advance.

Re: what is the radius of convergence of the power series when an is given as

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**sorv1986** what is the radius of convergence of the power series Σan xⁿ, where a0=1, ,2<= |an| <= 3 for all n>=1 ?

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Re: what is the radius of convergence of the power series when an is given as