Let F = Q, s(x) = x² + 1, and E = Q[r]/(x² + 1)Q[x]. i) Factor the polynomial r? +1€ Q[r] into linear terms in E. ii) Show that the polynomial r³ – 1 € Q[x] only has a single root in E.
Let F = Q, s(x) = x² + 1, and E = Q[r]/(x² + 1)Q[x]. i) Factor the polynomial r? +1€ Q[r] into linear terms in E. ii) Show that the polynomial r³ – 1 € Q[x] only has a single root in E.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 27RE
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![Let F = Q, s(x) = x² + 1, and E = Q[r]/(x² + 1)Q[x].
i) Factor the polynomial x? +1 € Q[x] into linear terms in E.
ii) Show that the polynomial r³ – 1 € Q[x] only has a single root in E.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4787dfbd-45a2-4b25-8dde-45ae660a9830%2F06bb5e78-d70c-41ce-9df5-cbd23261f74b%2Fbdocrse.bmp&w=3840&q=75)
Transcribed Image Text:Let F = Q, s(x) = x² + 1, and E = Q[r]/(x² + 1)Q[x].
i) Factor the polynomial x? +1 € Q[x] into linear terms in E.
ii) Show that the polynomial r³ – 1 € Q[x] only has a single root in E.
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