CombinationYou are currentlybrowsing as guest. Click here to log in |
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A Combination is an unordered subset of a set.
For example, the 10 possible combinations of 3 letters from the set of vowels { A, E, I, O, U } are:
AEI, AEO, AEU, AIO, AIU, AOU, EIO, EIU, EOU and IOU.
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The calculation of the number of combinations makes use of the factorial notation, binomial coefficients and Pascal's triangle.
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