Last Updated：2025/12/06
The radius of convergence R of the power series ∑_{n=0}∞ c_n (z-a)n is the unique number in [0,∞] such that the series converges for |z-a|R.
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The radius of convergence R of the power series ∑_{n=0}∞ c_n (z-a)n is the unique number in [0,∞] such that the series converges for |z-a|R.
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