Show that the set of all matrices of order 2×2 of the  form \matrix{a|0|b|c}, where a,b,c are integers is a subring of  the ring M of all matrices of order 2×2 with integral  elements.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.5: Basis And Dimension
Problem 66E
icon
Related questions
Question

Show that the set of all matrices of order 2×2 of the
 form \matrix{a|0|b|c}, where a,b,c are integers is a subring of
 the ring M of all matrices of order 2×2 with integral
 elements.

Expert Solution
steps

Step by step

Solved in 3 steps with 9 images

Blurred answer
Recommended textbooks for you
Elementary Linear Algebra (MindTap Course List)
Elementary Linear Algebra (MindTap Course List)
Algebra
ISBN:
9781305658004
Author:
Ron Larson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning