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 July 6th, 2015, 03:11 AM #1 Newbie   Joined: May 2015 From: Poland Posts: 3 Thanks: 0 Normal closure How to find normal closure over $\mathbb{Q}$ of that:$\mathbb{Q}\sqrt[5]{3})$ and that $\mathbb{Q}(\sqrt[7]{2}))$ Last edited by Frodo94; July 6th, 2015 at 03:33 AM.
 July 13th, 2015, 05:22 AM #2 Senior Member     Joined: Apr 2014 From: Greater London, England, UK Posts: 320 Thanks: 156 Math Focus: Abstract algebra Just add a primitive complex root of unity. Last edited by Olinguito; July 13th, 2015 at 05:29 AM.

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