Combinatoricshard
0:00.0
A total of 10 people are to be divided into 5 pairs for a project. How many ways can this be done if the order of the pairs does not matter and the order of people within each pair does not matter?
A total of 10 people are to be divided into 5 pairs for a project. How many ways can this be done if the order of the pairs does not matter and the order of people within each pair does not matter?