Algebra
Textbooks
Boundless Algebra
Combinatorics and Probability
Algebra Textbooks Boundless Algebra Combinatorics and Probability
Algebra Textbooks Boundless Algebra
Algebra Textbooks
Algebra

Section 1

Combinatorics

Book Version 13
By Boundless
Boundless Algebra
Algebra
by Boundless
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5 concepts
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Counting Rules and Techniques

Combinatorics is a branch of mathematics concerning the study of finite or countable discrete structures.

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Permutations

A permutation of a set of objects is an arrangement of those objects in a particular order; the number of permutations can be counted.

Permutations of Distinguishable Objects

The number of permutations of distinct elements can be calculated when not all elements from a given set are used.

Permutations of Nondistinguishable Objects

The expression revealing the number of permutations of distinct items can be modified if not all items in a set are distinct.

Combinations

A combination is a way of selecting several things out of a larger group, where (unlike permutations) order does not matter.

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