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A polynomial equation is solvable by radicals when its roots can be obtained from coefficients using field operations and iterated extraction of roots.
wp-j-radical-solvabilitymilne-fields-galois-theoryEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Under the standard separability qualifications (in particular over characteristic zero), a polynomial is solvable by radicals exactly when its Galois group is solvable.
Feed several structures into a construction junction and impose compatibility between them.
milne-fields-galois-theoryEach relation below starts at this concept.
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