Consider the function f(z) = 1 / (1+z²) where z ∈ C and let f(z) = Σ an (z-a)ⁿ be the

Taylor series expansion of f(z) about the point a ∈ R.

then what is the radius of convergence of the power series?

thanx in advance. regards(Smirk)

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- Nov 23rd 2011, 11:37 PMsorv1986what is the radius of convergence of that power series
Consider the function f(z) = 1 / (1+z²) where z ∈ C and let f(z) = Σ an (z-a)ⁿ be the

Taylor series expansion of f(z) about the point a ∈ R.

then what is the radius of convergence of the power series?

thanx in advance. regards(Smirk) - Nov 24th 2011, 12:15 AMFernandoRevillaRe: what is the radius of convergence of that power series
Deleted (I misread the question)

- Nov 24th 2011, 12:37 AMsorv1986Re: what is the radius of convergence of that power series
- Nov 24th 2011, 01:35 AMFernandoRevillaRe: what is the radius of convergence of that power series