that 2491 = 47.53. Consider the polynomial f = X² +3. Justify your answer for each part. (a) Determine whether or not the polynomial X² + 3 has a root in F47. (b) Determine whether or not the polynomial X² + 3 has a root in F53. (c) Determine whether or not the polynomial X² + 3 has a root in Z/2491Z.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.2: Adding And Subtracting Polynomials
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For this problem, you may take for granted that 47 and 53 are prime, and
that 2491 = 47.53. Consider the polynomial f = X² +3. Justify your answer for each part.
(a) Determine whether or not the polynomial X² + 3 has a root in F47.
(b) Determine whether or not the polynomial X² + 3 has a root in F53.
(c) Determine whether or not the polynomial X² +3 has a root in Z/2491Z.
Transcribed Image Text:For this problem, you may take for granted that 47 and 53 are prime, and that 2491 = 47.53. Consider the polynomial f = X² +3. Justify your answer for each part. (a) Determine whether or not the polynomial X² + 3 has a root in F47. (b) Determine whether or not the polynomial X² + 3 has a root in F53. (c) Determine whether or not the polynomial X² +3 has a root in Z/2491Z.
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