Let R be the ring of all 2X2 matrices of the form [ a b c d ] with entries in Rational numbers Q such that a = d and c = 0. Suppose I is a subset of all matrices of R satisfying a = d = 0, then show that I is an ideal in R.
Let R be the ring of all 2X2 matrices of the form [ a b c d ] with entries in Rational numbers Q such that a = d and c = 0. Suppose I is a subset of all matrices of R satisfying a = d = 0, then show that I is an ideal in R.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.1: Definition Of A Ring
Problem 44E: 44. Consider the set of all matrices of the form, where and are real
numbers, with the...
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Let R be the ring of all 2X2 matrices of the form [ a b
c d ]
with entries in Rational numbers Q such that a = d and c = 0. Suppose I is a subset of all matrices of R satisfying a = d = 0, then show that I is an ideal in R.
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