Permutation Formula
A formula for the number of possible
permutations of k objects from a set of n. This is
usually written nPk .
Formula: |
 |
Example: |
How many ways can 4 students from a group of 15 be lined up for a photograph? |
Answer: |
There are 15P4 possible permutations of 4 students from a group of 15.
different lineups
|
See
also
Combination
formula, factorial
|