If the line `x=9` cuts the parabola `y^2=16x` at A and B, find the length of AB.

The straight lines y=+-x intersect the parabola y^(2)=8x in points P and Q, then length of PQ is

For the parabola 3y^2=16x , find the parameter of the point. (3,-4)

For the parabola 3y^2=16x , find the parameter of the point. (27,-12)

The focus of the parabola x ^(2) =-16 y is

Answer the following: The line 2x-y+6=0 meets the circle x^2+y^2+10x+9=0 at A and B.find the equation of circle on Ab as diameter.

Axis of the parabola y^2-16x+6y+89=0 , is:

The focal distance of P(4,8) on the parabola y^2=16x , is