how to calculate radius of convergence of a power series
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The Radius of Convergence of a Power Seriespage that we can calculate the radius of convergence of a power series using the ratio test, that is
if limn→∞∣∣∣an+1an∣∣∣=L, then the radius of convergence is R=1L.
If L=0 then the radius of convergence R=∞ and if L=∞ then the radius of convergence R=0.
if limn→∞∣∣∣an+1an∣∣∣=L, then the radius of convergence is R=1L.
If L=0 then the radius of convergence R=∞ and if L=∞ then the radius of convergence R=0.
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