This video explains how to determine the number of permutations that have 1 fixed element.
elements
Introduction to Derangements
This video introduces the topic of derangements of elements.
Determine How Many Subsets Have More Than a Given Cardinality
This lesson provides examples of how to determine the number of subsets of a given set under various conditions.
Determine How Many Subsets Meet Various Conditions (2)
This lesson provides examples of how to determine the number of subsets of a given set under various conditions.
Determine How Many Subsets Meet Various Conditions (1)
This lesson provides examples of how to determine the number of subsets of a given set under various conditions.
Counting Subsets and Subsets of a Specific Cardinality
This video introduces the formulas used to determine the number of subsets of a given set and to determine the number of subsets with a given cardinality.
Determine the Cardinality of Sets: Set Notation, Intersection
This video explains how to determine the cardinality of a set given using set notation.
Determine the Cardinality of Sets Given as Lists
This video explains how to determine the cardinality of a set and the power set of a set.
Introduction to Sets and Set Notation
This video defines a set, special sets, and set notation.
Find the Cofactor Matrix and Adjoint Matrix (3 by 3)
This video explains how to find the cofactor matrix and adjoint matrix for a 3 by 3 matrix.