Let R be a ring and let I be an ideal of R. Prove that the
Chapter 14, Problem 36E(choose chapter or problem)
Let \(R\) be a ring and let \(I\) be an ideal of \(R\). Prove that the factor ring \(R/I\) is commutative if and only if \(r s-s r \in I\) for all \(r\) and \(s\) in \(R\).
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