0 votes
by (420 points)
What is formula of combination?

1 Answer

0 votes
by (240 points)
A formula for the number of possible combinations of r objects from a set of n objects. This is written in any of the ways shown below. ... Formula: Note: , where nPr is the formula for permutations of n objects taken r at a time.

Related questions

0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
0 votes
1 answer
asked Nov 28, 2019 by voltage (1.9k points)
0 votes
1 answer
0 votes
1 answer
...