| Please
select section below... |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
|
 |
| COMBINATIONS
AND PERMUTATIONS |
|
A combination of r elements
selected from a set S with n elements is a subset of S that
contains r distinct elements.
nCr is the symbol used to denote
the number of combinations of r elements selected from a
set of n elements and
In combinations
order does not matter.
|
|
|
|
|
|
