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We understand permutation an ordered sequence, built by available elements. The number of permutations of n elements It is given by n factorial that is just calculate the…

The factorial number is present in most combinations problems, so it is important that we handle this tool in different situations. Therefore, we will study the ways to handle…

Criteria for arrangement or combination of identification The combinations exercises can be solved by arrangement or combination, but to identify which of the two groups…

Simple combination is a type of group where the arrangements are differentiated by the nature of its elements. Simple combination is a type of group in the study of…

The groups formed in combinations exercises can be considered simple arrangements. It will be so classified if we take into consideration the order of its elements, that is, if…

The anagram is a word game that uses transposition or rearrangement of letters of a word or phrase, in order to form other words or meaningless. It is calculated using the…

Combinatorial analysis is one of the topics that mathematics is divided, responsible for the study criteria for representing the amount of possibilities to pass a group without…