If a chord 4y=3x-48 subtends an angle `theta` at the vertex of the parabola `y^2=64x` then `tantheta=`

If a chord 4y=3x-48 subtends an angle theta at the vertex of the parabola y^(2)=64x then tan theta=

If the chord y=mx+c subtends a right angle at the vertex of the parabola y^(2)=4ax thenthe value of c is

Let PQ be a focal chord of the parabola y^(2)=4ax . The tangents to the parabola at P and Q meet at point lying on the line y=2x+a,alt0 . If chord PQ subtends an angle theta at the vertex of y^(2)=4ax , then tantheta=

Let PQ be a focal chord of the parabola y^(2) = 4ax . The tangents to the parabola at P and Q meet at a point lying on the line y = 2x + a, a gt 0. If chord PQ subtends an angle theta at the vertex of y^(2) = 4ax , then tantheta=

If chord BC subtends right angle at the vertex A of the parabola y^(2)=4x with AB=sqrt(5) then find the area of triangle ABC.

If the join of ends of the latus rectum of " x^(2)=8y " subtends an angle "theta" at the vertex of the parabola then " cos theta " 1.) (-(4)/5) 2.) (-(2)/3) 3.) (-(3)/5) 4.) (-(1)/5)

The vertex of the parabola y ^(2) -4y-x+3=0 is