Discrete Math Question

1. Nov 8, 2006

abbey gamble

C(n,1) ...

I know that C(n,0) =1

But have no clue how to figure out C(n,1)

2. Nov 8, 2006

Office_Shredder

Staff Emeritus
By C(n,1) you mean n choose 1?

Do you know the definition of C(n,k)?

3. Nov 11, 2006

murshid_islam

$$C(n,k) = \frac{n!}{k!\left(n-k\right)!}$$
just use this to calculate C(n,1)