Interactive Explainer
Irreducibility tests, in the order worth trying them
Rings and FieldsComplex Analysis, Algebra & Topology
Rational roots, Eisenstein, reduction mod p — and the quartic that factors despite having no real roots.
Rings and FieldsComplex Analysis, Algebra & Topology
Rational roots, Eisenstein, reduction mod p — and the quartic that factors despite having no real roots.