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Math Help - Solving for n....

  1. #1
    Member diddledabble's Avatar
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    Question Solving for n....

    I have this formula and need to solve for n. How do I do it since it is a factorial? Please show me, my mind is too tired to figure it out.  n!/{k!(n-k)!}
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  2. #2
    Master Of Puppets
    pickslides's Avatar
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    To solve for n, your expression must be equated to something else. I.e it must have an equals sign somewhere.

    Does this look firmiliar?

     ^nC_k = \frac{n!}{k!(n-k)!}
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