let R be a ring in which x^3 = X for every x element of R. Prove that R is commutative

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- Nov 16th 2009, 07:12 AMGodisgoodRings
let R be a ring in which x^3 = X for every x element of R. Prove that R is commutative

- Nov 16th 2009, 09:29 PMNonCommAlg
some time ago i gave the best approach to solving this problem, and more problems of this kind, in this thread: http://www.mathhelpforum.com/math-he...-fun-36-a.html

if you still couldn't complete the proof, let us know.