Conic Section(Lecture-2)

General Definitions in Conic Section ( Focus, directrix, axis, double ordinate, Latus rectum, Focal Chord, Focal Distance and center.
General concepts for conic section:
point and conic section,
Line and conic section,
chord( equation when midpoint of chord given, Length of chord)
Tangent and its point of contact
Normal at given point for given conic,
Some General Results for conic sections