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Irreducible polynomial

  1. Oct 22, 2009 #1
    1. The problem statement, all variables and given/known data

    Is x^8+x^4+1 irreducible over Q ?
     
  2. jcsd
  3. Oct 22, 2009 #2

    Dick

    User Avatar
    Science Advisor
    Homework Helper

    Any thoughts on this? What have you tried?
     
  4. Oct 22, 2009 #3

    Mark44

    Staff: Mentor

    There's a theorem that deals with rational roots of polynomials that would be useful.
     
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