1.

The normal at 3 points P,Q,R on y2=4ax meet at a point N. If S is focus of parabola then the value ofSP+SQ+SR+SAMN is (where A is vertex of parabola M is the foot of perpendicular from N on to tangent at vertex)

Answer» The normal at 3 points P,Q,R on y2=4ax meet at a point N. If S is focus of parabola then the value ofSP+SQ+SR+SAMN is
(where A is vertex of parabola M is the foot of perpendicular from N on to tangent at vertex)


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