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Limit help! limit of fractional part function power

  1. Feb 24, 2012 #1
    solved.
     
    Last edited: Feb 25, 2012
  2. jcsd
  3. Feb 25, 2012 #2

    Office_Shredder

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    It's also true if you substitute sqrt(5)+sqrt(7) or sqrt(3)+sqrt(5) or sqrt(13)+sqrt(11). I tried sqrt(3)+sqrt(11) and it doesn't seem to be true for that guy, so it's hard to tell but it seems like there should be a general proof that doesn't rely on adding up multiples of sqrt(6) and watching stuff cancel out. I can't fathom what it is though
     
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