Binomial Coefficient/Examples/3 from 8

Example of Binomial Coefficient
The number of ways of choosing $3$ objects from a set of $7$ is:
 * $\dbinom 7 3 = \dfrac {7 \times 6 \times 5} {3 \times 2 \times 1} = \dfrac {7!} {3! \, 4!} = 35$