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Math Help - Proving binomial theorem thingy...

  1. #1
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    Proving binomial theorem thingy...

    ((n nCr k)(n-k))/(K+1) = (n nCr k+1)

    I really need help proving this. However i do not know how to deal with the nCr and factorials at all. I have never had factorials/nCr so i don't know what to do.

    ~RikT
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  2. #2
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    Why do you use such words as thingy on a serious site such as this?

    Quote Originally Posted by RIkT View Post
    ((n nCr k)(n-k))/(K+1) = (n nCr k+1)
    That string of symbols is totally meaningless.

    Quote Originally Posted by RIkT View Post
    I have never had factorials/nCr so i don't know what to do.
    If that is true then I understand why you do not know how to use the symbols.
    If that is true then why are you asked to do this question?
    If that is true then you will not understand any help we might give you.
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