Respuesta :

The different group of 2 players that the coach can pick is 45 groups.

Selection of groups

The selection of groups of 2 player can be done using the method of combination.

Different groups of 2 players

The different group of 2 players that the coach can pick from the 10 players is calculated as follows;

n = 10C2

[tex]n = \frac{10!}{(10-2)! 2!} = \frac{10 \times 9\times 8!}{8! \times 2} = 45[/tex]

Thus, the different group of 2 players that the coach can pick is 45 groups.

Learn more about combinations here: https://brainly.com/question/25821700