Question

what are permutations and combinations​

Answer 1

Answer:

permutations and combinations, the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called a permutation when the order of selection is a factor, a combination when order is not a factor

Answer 2

Answer:

permutations - the action of changing the arrangement, especially the linear order,

of a set of items.

combination - A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order. Combinations can be confused with permutations.

Step-by-step explanation:

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