Let R= Z/3Z, the integers mod 3. The ring of Gaussian integers mod 3 is defined by R[i] = {a+ bi : a, be Z/3Z and i = -1}. Show that R[i] is a field. %3D %3D

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.1: Ideals And Quotient Rings
Problem 14E: 14. Let be an ideal in a ring with unity . Prove that if then .
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Let R= Z/3Z, the integers mod 3. The ring of Gaussian integers mod 3 is defined
by R[i] = {a+ bi : a, be Z/3Z and i = -1}. Show that R[i] is a field.
%3D
%3D
Transcribed Image Text:Let R= Z/3Z, the integers mod 3. The ring of Gaussian integers mod 3 is defined by R[i] = {a+ bi : a, be Z/3Z and i = -1}. Show that R[i] is a field. %3D %3D
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