How to find the minimal polynomial of an element ? Let ζn be a primitive n-th root of unity. I want to find the minimal polynomial of ζn over Q(ζn+ζ−1n). How do I do that ?
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How to find the minimal polynomial of an element ? Let ζn be a primitive n-th root of unity. I want to find the minimal polynomial of ζn over Q(ζn+ζ−1n). How do I do that ?
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