Let Q[x] denote the ring of polynomials with coefficients in Q (you may assume that Q[x] is a ring). Which of the following are ideals of Q[x]? (a) I = {fe Q[x] | f(0) = 0}. (b) J = {ƒ € Q[x]| coefficients of even powers of x in f are zero}.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter4: Polynomial And Rational Functions
Section4.1: Polynomial Functions Of Degree Greater Than
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3. Let Q[x] denote the ring of polynomials with coefficients in Q (you may assume
that Q[x] is a ring). Which of the following are ideals of Q[x]?
(a) I = {ƒ € Q[x]f(0) = 0}.
(b) J = {ƒ ≤ Q[x]| coefficients of even powers of x in ƒ are zero}.
X
Transcribed Image Text:3. Let Q[x] denote the ring of polynomials with coefficients in Q (you may assume that Q[x] is a ring). Which of the following are ideals of Q[x]? (a) I = {ƒ € Q[x]f(0) = 0}. (b) J = {ƒ ≤ Q[x]| coefficients of even powers of x in ƒ are zero}. X
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