A Treatise on the Higher Plane Curves: Intended as a Sequel to a Treatise on Conic Sections |
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Common terms and phrases
a₁ acnode angle asymptote axis b₁ bitangents Cayleyan centre circle circular points coincident points condition consecutive points considered coordinates coresidual corresponding points covariant crunodal cubic cusp cuspidal cubic denote determine discriminant double point double tangent drawn envelope equation expressed factor fixed points foci four points functions given curve given line given points Hence Hessian imaginary intersection invariant Jacobian line at infinity line joining locus meets the curve multiple point nodal cubics node nth degree origin oval pair parameter perpendicular point of inflexion points at infinity points of contact polar conic polar line pole quartic quartic function ratio reciprocal respectively right line shews stationary tangent substituting theorem touch transformation triangle trilinear coordinates triple point values vanish