CircleMedium
Question
Identify the correct statement(s) -
Options
A.In a parabola vertex is the mid point of focus and foot of directrix.
B.P(at12, 2at1) & Q(ar22, 2at2) are two points on y2 = 4ax such that t1t2 = -1, then normals at P and Q are perpendicular.
C.There doesn’t exist any tangent of y2 = 4ax which is parallel to x-axis.
D.At most two normals can be drawn to a parabola from any point on its plane.
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