A bijective proof of Cassini's Fibonacci identity (Q1066146)
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scientific article; zbMATH DE number 3924785
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A bijective proof of Cassini's Fibonacci identity |
scientific article; zbMATH DE number 3924785 |
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A bijective proof of Cassini's Fibonacci identity (English)
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1986
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The authors provide a short combinatorial proof of the identity \(F^ 2_{n+1}-F_{n+2}F_ n=(-1)^{n+1}\), where \(F_ n\) denotes the n-th Fibonacci number.
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combinatorial proof
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Fibonacci number
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