Question

How do you find the permutation or combination of 7C4?

Answer 1

`""""^7C_4=35`

Explanation:

As you have written it, it is a combination and represents the number of different ways you can choose 4 items from an available 7.
It may be solved as follows, by definition of combination :

`""""^7C_4=(7!)/((7-4)!4!)=(7xx6xx5xx4!)/(3!4!)=210/6=35`