Let us consider Z[x]. a. Is Z[x] a UFD? Why? b. Show that {a + xf(x)|a
Question:
Let us consider Z[x].
a. Is Z[x] a UFD? Why?
b. Show that {a + xf(x)|a ∈ 2Z, f(x) ∈ Z[x]} is an ideal in Z[x].
c. Is Z[x] a PID? (Consider part (b).)
d. Is Z[x] a Euclidean domain? Why?
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a Yes Zx is a UFD because Z is a UFD and Theorem 4529 tells us that if D is a UFD then Dx is a UFD b ...View the full answer
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