how to determine the radius of convergence of the power series

Σ 2^(n) z^(nē).

thanks in advance .regards.(Rock)

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- December 1st 2011, 08:23 PMsorv1986what is the radius of convergence of that power series
how to determine the radius of convergence of the power series

Σ 2^(n) z^(nē).

thanks in advance .regards.(Rock) - December 1st 2011, 09:15 PMDrexel28Re: what is the radius of convergence of that power series
- December 2nd 2011, 04:27 AMOpalgRe: what is the radius of convergence of that power series