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Thread: nCr notation

  1. August 30th 2010, 10:27 AM #1
    Stuck Man
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    nCr notation

    Why is nCr written differently for binomial expansion compared to combinations?
    Attached Thumbnails Attached Thumbnails nCr notation-ncr-1.jpg   nCr notation-ncr-2.jpg  
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  2. August 30th 2010, 10:39 AM #2
    Plato
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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. August 30th 2010, 10:51 AM #3
    Stuck Man
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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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