Question

Evaluate C(n,n).

ans: 0, 1, or n?

Answer 1

this looks like a combination question

so you need to know 0! = 1

so using the combination formula

\[\frac{n!}{n!(n - n)!} = \frac{n!}{n! \times 1}\]

I'll let finish off to find the value.

Answer 2

thanks

Answer 3

i'm lost, so can u just tell me?

Answer 4

You should memorize that formula. It will be on the test.

Answer 5

hahh will do