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Homework Help: Introduction to Rings and Fields- Help

  1. Dec 12, 2004 #1
    I really don't wanna define a homomorphism like
    I'm looking for another way to solve that next question:

    Show that Q[x]/(x-1) is isomorphic to Q[x]/(x-2).
    Any ideas?
    Thanks in advance.
  2. jcsd
  3. Dec 12, 2004 #2


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    You could show they're both isomorphic to a third ring...
  4. Dec 12, 2004 #3
    Of course, they're both isomorphic to Q... I really shouldn't do HW at 11 pm... Thanks!
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