Grade upto college level Analytical Geometry
If the normals from any point are drawn to the parabola x2=4y cut the line y=2 in the points whose abscissa are in AP., then prove that slopes of the tangents at the three co normal points are in GP.
If the normals from any point are drawn to the parabola x2=4y cut the line y=2 in the points whose abscissa are in AP., then prove that slopes of the tangents at the three co normal points are in GP.
