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Learn moreSome useful questions and answers in MSE:
Number of $p$-subgroups (generalization of Sylow's theorem)
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If $E/F$ is algebraic, and each $f\in F[x]$ has a root in $E$, then $E$ is algebraically closed
Explicit formula for the discriminant of a quintic
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TO DO:
http://math.stackexchange.com/questions/541545/exercise-ii-2-8-on-hartshornes-algebraic-geometry
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