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sambit0008
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can anyone explain me the radius of convergence of power series?
 one year ago
 one year ago
sambit0008 Group Title
can anyone explain me the radius of convergence of power series?
 one year ago
 one year ago

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The radius of convergence of a power series is a way to measure the size of the set of numbers of the variable, say X, for which the power series actually converges. For example, the power series for e^x includes all reals, so the radius of convergence is infinite. However, some series may only converge for 1<x<1, so the radius of convergence in this case is 1. This is found by using the ratio test.
 one year ago
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