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Anyone fancy some late night maths?
Let w be a complex number such that w^7 = 1 and w =/= 1. Set t = w + w^2 + w^4. Find a quadratic with coefficients in Q which is satisfied by t.
It's driving me crazy :(
Let w be a complex number such that w^7 = 1 and w =/= 1. Set t = w + w^2 + w^4. Find a quadratic with coefficients in Q which is satisfied by t.
It's driving me crazy :(