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July 6th, 2015, 03:11 AM   #1
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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.
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July 13th, 2015, 05:22 AM   #2
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Just add a primitive complex root of unity.

Last edited by Olinguito; July 13th, 2015 at 05:29 AM.
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