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    Combinatorics Symbols - combination

    List of Combinatorics Symbols
    Source: https://www.rapidtables.com/math/symbols/Basic_Math_Symbols.html
Combinatorics Symbols > combination:
Symbol: nCk

 

Symbol Name: combination
Meaning / definition: _{n}C_{k}=binom{n}{k}=frac{n!}{k!(n-k)!}
Example: 5C3 = 5!/[3!(5-3)!]=10