Problem 4. Let K be a field and let f ∈ K[x]. Show that if 1+f2...

Question

Question

Problem 4. Let K be a field and let f ∈ K[x]. Show that if 1+f² has a factor of odd degree in K[x] then there is an a ∈ K such that a² = −1.

Answer 1

Answer #1

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Answer 2

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