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Determine the following elements are units in the given ring R A= [ 2 0 ] [ 0 3 ] R = M2(Z12 )

Posted: Sat Feb 26, 2022 10:51 am
by answerhappygod
Determine the following elements are units in the given ring
R
A= [ 2 0 ]
[ 0 3 ]
R = M2(Z12 )