Question

explain permutations​

Answer 1

permutation

ˌपम्‌युˈटेश्‌न्

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noun

plural noun: permutations

any of the different ways in which a set of things can be ordered

क्रम परिवर्तन; क्रम-परिवृत्ति; अदल-बदल

Answer 2

In mathematics, a permutation of a set is, loosely speaking, an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements. The word "permutation" also refers to the act or process of changing the linear order of an ordered set