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Discrete-Math · Counting

6 choose 2

6,\ 2

Step by step

  1. \binom{6}{2} = \frac{6!}{2!\,(6-2)!}

    Unordered selections: n! / (k! (n−k)!).

  2. = \frac{720}{2 \times 24} = 15

Kuratidza mhinduro
\binom{6}{2} = 15