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Math Help - nCr notation

  1. #1
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    nCr notation

    Why is nCr written differently for binomial expansion compared to combinations?
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  2. #2
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    Quote Originally Posted by Stuck Man View Post
    Why is nCr written differently for binomial expansion compared to combinations?
    They are exactly the same in numerical value.
    So what is your question? Is about appearance?
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  3. #3
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    I expect that the way its written for binomial expansion results in less writing to do. I don't have any questions now.
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