(d) Is the matrix [2]12 [112] [-112 [2]12 a unit in the ring M2 (Z12)? Justify your answer.
(d) Is the matrix [2]12 [112] [-112 [2]12 a unit in the ring M2 (Z12)? Justify your answer.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![(d) Is the matrix
[2] 12 [112]
[[-112 [2]12]
a unit in the ring M2 (Z12)? Justify your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f55c31f-0fa5-4801-b176-ab5473ae935b%2F9be4ebe5-2d30-4c34-b85c-abb248550bc0%2F12u2kwd_processed.png&w=3840&q=75)
Transcribed Image Text:(d) Is the matrix
[2] 12 [112]
[[-112 [2]12]
a unit in the ring M2 (Z12)? Justify your answer.
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