In the ring of 2 x 2 matrices over the real numbersM2(R) what is true ofthe set of all matrices having this form0 bc d ?AIt is both a subring and an idealIt is a subring but not an ideal(c) It is an ideal but not a subringIt is neither an ideal nor a subringB

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In the ring of 2 x 2 matrices over the real numbers M2(R) what is true of the set of all matrices having this form O b cd ? A) It is both a subring and an ideal B It is a subring but not an ideal C) It is an ideal but not a subring D) It is neither an ideal nor a subring

In the ring of 2 x 2 matrices over the real numbers M2(R) what is true of the set of all matrices having this form O b cd ? A) It is both a subring and an ideal B It is a subring but not an ideal C) It is an ideal but not a subring D) It is neither an ideal nor a subring

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

In the ring of 2 x 2 matrices over the real numbers
M2(R) what is true of
the set of all matrices having this form
0 b
c d ?
A
It is both a subring and an ideal
It is a subring but not an ideal
(c) It is an ideal but not a subring
It is neither an ideal nor a subring
B

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