Vraagstuk XXXVII (Lösung von S. C. van Veen). (Q1465504)
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scientific article; zbMATH DE number 2606208
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Vraagstuk XXXVII (Lösung von S. C. van Veen). |
scientific article; zbMATH DE number 2606208 |
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Vraagstuk XXXVII (Lösung von S. C. van Veen). (English)
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1919
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Für \(| z| < 1\) gilt \[ \sum_{n =1}^\infty \frac{z^n}{1-z^n} = \sum_{n =1}^\infty \frac {(-1)^{n-1}z^{ \frac{n(n +1)}2} }{(1-z)(1-z^2)(1-z^3)\cdots(1-z^{n-1})(1-z^n)^2}. \]
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