mclove Messages 5 Reaction score 0 Thread starter Oct 22, 2009 #1 Homework Statement Is x^8+x^4+1 irreducible over Q ?
Dick Science Advisor Homework Helper Messages 26,254 Reaction score 623 Oct 22, 2009 #2 Any thoughts on this? What have you tried?
Mark44 Mentor Insights Author Messages 38,152 Reaction score 10,757 Oct 22, 2009 #3 There's a theorem that deals with rational roots of polynomials that would be useful.