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Discrete Math Question

  1. Nov 8, 2006 #1
    C(n,1) ...

    I know that C(n,0) =1

    But have no clue how to figure out C(n,1) :cry:
  2. jcsd
  3. Nov 8, 2006 #2


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    Staff Emeritus
    Science Advisor
    Gold Member

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

    Do you know the definition of C(n,k)?
  4. Nov 11, 2006 #3
    [tex]C(n,k) = \frac{n!}{k!\left(n-k\right)!}[/tex]
    just use this to calculate C(n,1)
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