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  "body": "\n## Summary\n\nA power series is a series $\\sum_{n \\ge 0} a_n (z - c)^n$ with complex coefficients $a_n$, a center $c$ and a complex variable $z$, see the [[definition|0VARVQ9ZW1]].\nIt converges on a disc, and its sum is holomorphic there.\n",
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