Co-Geometry
2 circles
touch each other
Inclination & Slope
Co-circle example
Equation of tangent and chord of contact
coordinates of incentre
centre of triangle example
Family of circles
Family of circles example
Locus
Parabola
Ellipse
Hyperbola
Conic Section in general
Central conics
General Conics
Rotation of axes
2 straight lines
invariants
2 straight lines
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