Ideal and factor rings, show that A is an ideal of R and

Ideal and factor rings

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Reference no: EM13126554

Problem:
Note: | | is suppose to denote a matrix

If R =

|S S|
|0 S|

and A =

|0 S|
|0 0|

, S any ring, show that A is an ideal of R and describe the cosets in R/A

Reference no: EM13126554

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