There was an answered question in the morning but it is erased. Could you help me on that question.
"Let be a primitive n-th root of unity over , where n>2 and let . Prove that is algebraic over of degree "
There was an answered question in the morning but it is erased. Could you help me on that question.
"Let be a primitive n-th root of unity over , where n>2 and let . Prove that is algebraic over of degree "