Combinatorics – Algebra

Combinatorics

Index oW: without repetition; Index mW: with repetition. Category.

Category. permutations

1. Number of permutations of n different elements

B. Combinations (regardless of the arrangement)

1. Number of combinations of k elements from n different elements or. Number of k -subsets from an n-set

C. Variations (taking into account the arrangement)

1. Number of variations of each k elements from n different elements without repetition of the elements or. Number of k-permutations from an n-set

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