(New page: Think I might be stumped on this problem. I was thinking to show that Eisenstein fails when n isn't prime, but I'm not sure how to do that.) |
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+ | *Show that <math>Phi_n(x)</math> is reducible if <math>n</math> is not prime. | ||
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Think I might be stumped on this problem. I was thinking to show that Eisenstein fails when n isn't prime, but I'm not sure how to do that. | Think I might be stumped on this problem. I was thinking to show that Eisenstein fails when n isn't prime, but I'm not sure how to do that. |
Revision as of 17:59, 8 April 2009
- Show that $ Phi_n(x) $ is reducible if $ n $ is not prime.
Think I might be stumped on this problem. I was thinking to show that Eisenstein fails when n isn't prime, but I'm not sure how to do that.