Evaluate 4 choose 6

${}_{4}C_{6}$

Evaluate ${}_{4}C_{6}$ using the formula ${}_{n}C_{r} = \frac{n!}{(n - r)! r!}$ .

$\frac{4!}{(4 - 6)! 6!}$

Since $r > n$ , it is impossible to select $6$ items from a total of only $4$ possible items.

$0$