3.2 Equations of Tangent and Normal at a Point on the Parabola ( Cartesian and Parametric) - Conditions for Straight Line to be a Tangent
II B - 3 - Parabola

3.2 Equations of Tangent and Normal at a Point on the Parabola ( Cartesian and Parametric) - Conditions for Straight Line to be a Tangent