Other notation used for permutation: P(n,r) The number of permutations of n objects, when r objects will be taken at a time. The permutation was formed from 3 alphabets (P, Q, and R), Also, r refers to the number of objects used to form the permutation.Ĭonsider the example given above.

Here, translation n refers to the number of objects from which the permutation is formed. They describe permutations as an event when n distinct objects taken r at a time. When they refer to permutations, mathematicians use specific terminology. The complete list of possible permutations is PQ, PR, RP, QR, RP, and RQ. Each possible arrangement will be one example of permutation. We have to find the number of ways we can arrange two letters from that set. Thus, ordering is very much essential in permutations.įor example, suppose we have a set of three letters: P, Q, and R. While dealing with permutation we should concern ourselves with the selection as well as the arrangement of the objects. Actually, very simply put, a permutation is an arrangement of objects in a particular way. It is an arrangement of all or part of a set of objects, with regard to their order of the arrangement. 2 Solved Examples Permutation Formula What is Permutation?Ī permutation is a very important computation in mathematics.

Permutation equation