Q: let R be a ring of 2 by 2 matrices with integer entries.which of the following subset of R is integral domain?

a) M(0,x,y,0)

b)M(x,0,0,y)

c)M(x,0,0,x)

d)M(x,y,y,z)

where M stands matrix of elements taken row by row.

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- April 23rd 2009, 08:21 AMMathventureintegral domain problem...
Q: let R be a ring of 2 by 2 matrices with integer entries.which of the following subset of R is integral domain?

a) M(0,x,y,0)

b)M(x,0,0,y)

c)M(x,0,0,x)

d)M(x,y,y,z)

where M stands matrix of elements taken row by row.

- April 23rd 2009, 09:15 PMThePerfectHacker