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Wolfboy

  • 3 years ago

I forgot how to do dis: simplify the expression 5C3

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  1. cinar
    • 3 years ago
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    |dw:1339028178058:dw|

  2. Wolfboy
    • 3 years ago
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    ?

  3. Wolfboy
    • 3 years ago
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    ok

  4. apoorvk
    • 3 years ago
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    \[\left(\begin{matrix}n \\ r\end{matrix}\right) =~^nC_r = \frac{n!}{(n-r)!~r!}\]

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