Combinatoricsmedium
0:00.0
In how many ways can you choose 2 red balls from 5 red balls and 1 blue ball from 3 blue balls?
In how many ways can you choose 2 red balls from 5 red balls and 1 blue ball from 3 blue balls?
In how many ways can you choose 2 red balls from 5 red balls and 1 blue ball from 3 blue balls?