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Mad with this!

  1. Aug 13, 2012 #1
    if a, b, c (integers) are coprimes then (an + bn + cn ) / abc can't be a number that is not a fraction (integer). Any idea to prove/disprove it will be highly appreciated.
     
  2. jcsd
  3. Aug 13, 2012 #2
    If the sum is divisibleby abc what does that say about the terms
     
  4. Aug 15, 2012 #3

    haruspex

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