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Circle, Parabola - Coggle Diagram

- - - - 3 points
      - Chord with end points
        
        Diameter with end points
    - - Triangle
      - Quadrilateral
- - - - Radical axis
        
        Radical axis of 2 circles
        
        Radical centre of 3 circles
      - Length of tangent
      - Equation of Tangent
        
        Slope given
        
        Point given
        
        On circle
        
        External
        
        Pair of tangents
      - Other properties
        
        Director circle
        
        Finding eqn of chord of contact
    - - Intersection of line and circle
      - Eqn of chord of circle bisected at given point
  - - - lenght of common chord
      - angle between circles
        
        orthogonal intersection
      - centres
    - - Centres
        
        Dist between centres
      - Tangents
- - - - S1 + λS2 = 0
      - λ cannot take values for which x^2 and y^2 get cancelled
    - - S + λL = 0