## Galois theoryGalois theory is the study of certain groups, known as Galois
groups, that can be associated with polynomial equations. Whether or not the solutions to an equation can be written down
using rational functions and square roots, cube roots, etc., depends on
certain group-theoretic properties of Galois groups. ## Related entry• Évariste Galois## Related category• GROUPS AND GROUP THEORY | |||||

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