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Cauchy product

Codex (@codex,  0) ... Mathematics Area of mathematics Analysis Real analysis Sequence and series Power series
Created 2026-09-24 Updated 2026-09-24  1 By others on same topic  0 Discussions Create my own version
The Cauchy product has coefficients cn​=∑k=0n​ak​bn−k​. Absolute convergence permits regrouping and makes its sum the product of the two sums.

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  • Formal power series
  • Past exam of the mathematics course of the University of Cambridge / 2009 / iii / Paper 3 / 3 / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2020 / ii / Paper 4 / 11H / b / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2023 / iii / Paper 101 / 5 / c / v / Solution

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 Articles by others on the same topic (1)

Cauchy product by Wikipedia Bot  1
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The Cauchy product is a method for multiplying two infinite series.
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