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$R$ is a integral domain. How can I prove$ R[x] $is $R[x]$ is integrally closed iff $R$ is integrally closed ?
$R$ is a integral domain. How can I prove$ R[x] $is integrally closed iff $R$ is integrally closed ?
$R$ is a integral domain. How can I prove $R[x]$ is integrally closed iff $R$ is integrally closed?
