(3) Let (A, +,.) be a subgroup of (M₂(Z), +,.), Then A is ideal of M₂ (Z), whereA = {(ab)|a, b, c € Z}.O TF

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Answered: (3) Let (A, +..) be a subgroup of (M₂…

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter4: More On Groups

Section4.7: Direct Sums (optional)

Problem 3E

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(3) Let (A, +..) be a subgroup of (M₂ (Z), +,.), Then A is ideal of M₂ (Z), where A = {(a b) la, b, c € 2). От F