Let I be an ideal in a commutative ring R and let J = {r belongs to R | r^n belongs to I for some positive integer n}. Prove that J is an ideal that contains I.
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Originally Posted by Deepu Let I be an ideal in a commutative ring R and let J = {r belongs to R | r^n belongs to I for some positive integer n}. Prove that J is an ideal that contains I. Once again let's see some work friend. I have seen none and I've seen zip, nadda.
Last edited by mr fantastic; April 17th 2010 at 09:41 PM.
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