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If $(R,m)$ is Noetherian, $P$ a prime ideal s.t. $R/P$ is 1 dim, then if $x\in R-P$, then rad$(x,P)=m$. I am looking to prove this statement but I am at a loss how to start. It's part of a proof that I am reading, but this statement appears without any further elaboration.

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    @Dylan: Thanks. I have made the change.2011-07-15

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Hint: $\operatorname{Rad}{(x,P)} = \displaystyle\bigcap_{I \in \mathrm{Spec R}, I \supset (x,P)} I.$

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    sweet, we don't even need Noetherianness.2011-07-15