3 Let (Mz(2), +.) be the ring of all 2x2 matrices over a ring Z with the usual operations of addition and multiplication on matrices. aeZ), then (1.+..) is: (a) Not left and not right ideal of (Mz(2), +..) (b) A left and net right ideal of (Ma(2), t) (c) Aright and not left ideal of (M2=z(2), +..) (4) A left and right ideal of (M2(Z), +.) lo ol
3 Let (Mz(2), +.) be the ring of all 2x2 matrices over a ring Z with the usual operations of addition and multiplication on matrices. aeZ), then (1.+..) is: (a) Not left and not right ideal of (Mz(2), +..) (b) A left and net right ideal of (Ma(2), t) (c) Aright and not left ideal of (M2=z(2), +..) (4) A left and right ideal of (M2(Z), +.) lo ol
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.1: Polynomials Over A Ring
Problem 18E: 18. Let be a commutative ring with unity, and let be the principal ideal in . Prove that is...
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