Finite Math Examples

${}_{6}C_{8}$

Step 1

Evaluate ${}_{6}C_{8}$ using the formula ${}_{n}C_{r} = \frac{n!}{(n - r)! r!}$ .

$\frac{6!}{(6 - 8)! 8!}$

Step 2

Since $r > n$ , it is impossible to select $8$ items from a total of only $6$ possible items.

$0$