Category:Summation by k of Product by r of x plus k minus r over Product by r less k of k minus r

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This category contains pages concerning Summation by k of Product by r of x plus k minus r over Product by r less k of k minus r:


$\ds \sum_{k \mathop = 1}^n \paren {\dfrac {\ds \prod_{\substack {1 \mathop \le r \mathop \le n \\ r \mathop \ne m} } \paren {x + k - r} } {\ds \prod_{\substack {1 \mathop \le r \mathop \le n \\ r \mathop \ne k} } \paren {k - r} } } = 1$

where $1 \le m \le n$ and $x$ is arbitrary.

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Pages in category "Summation by k of Product by r of x plus k minus r over Product by r less k of k minus r"

The following 2 pages are in this category, out of 2 total.