Permutation

What Does a Permutation Mean?

Permutation means arranging some certain items in specific order.

What is Permutation class 11?

In mathematics, permutation is the mathematical calulation for finding the number of ways to arrenge some object in any specific order.

What does “n!” mean?

“n!” (read as “n factorial”) represents the product of all positive integers from 1 to n. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.

What is Formula for Permutation?

The permutation formula for n objects taken r at a time is,

nPr = n!/(n – r)!

How do I Calculate the Number of Permutations of a Set of Objects?

The number of permutations of a set of n distinct objects is given by n!.

How is a Permutation Different from a Combination?

A permutation considers the arrangement of elements in a specific order, while a combination only considers the selection of elements without considering the order.

What is Circular Permutation?

A circular permutation is a type of arrangement where the order of elements matters, but the arrangement is considered circular. That is, the first and last elements are treated as adjacent.

What Are the 4 Types of Permutations?

The 4 types of the perutations are,

  • Permutations with Repetition
  • Permutation without Repetition
  • Permutations with Multi-Sets
  • Circular Permutations

What’s the Difference Between a Permutation and Combination?

The basic difference between permutation and combination is, that in permutation order of object is important and in the combination the order of the object is not important.

What is the Permutation for Multisets?

Permutation for Multisets formula is,

P(n, r)(Multiset) = n!/(P1!P2!…Pn!)



Permutation

Permutation in mathematics is the arrangement of the object in a definite order. Permutation is similar to the combination and the basic difference between permutation and combination is that in permutation the order in which the object is taken is important while the combination is the arrangement of the objects when the order of the objects is not important.

Permutation is represented by the letter, P. For example permuation of set A = {1, 2, 3} when taken two object at a time is, {1, 2}, {1, 3}, {2, 3}, {3, 2}, {3, 1}, {2, 1}. In this article, we will learn about, permutation, its formula, examples, representation, properties, and types of permutation in detail.

Table of Content

  • What is a Permutation?
    • Permutation Meaning in Maths
  • Representation of Permutation
  • Permutation Examples
    • Permutation Examples in Real Life
  • Properties of Permutations
  • Permutation Formula ( nPr )
    • Derivation of Permutation Formula
  • Types of Permutation
  • Permutation and Combination
    • Relation Between nPr and nCr
  • Permutation vs Combination
  • Fundamental Counting Principle
  • Permutation and Combinations Class 11
    • Resources related to Permutations Class 11
  • Permutation Problems
  • Practice Problems on Permutation

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What is a Permutation?

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Some of the common properties of permutations are listed as follows:...

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FAQs on Permutation

What Does a Permutation Mean?...