Thread: parabola

if focus of a parabola is(1,2) and feet of perpendiculars on any two tangents to this parabola from locus are (3,4) and (4,6) then the vertex of parabola is

how to use above information help

Originally Posted by prasum

if focus of a parabola is(1,2) and feet of perpendiculars on any two tangents to this parabola from locus are (3,4) and (4,6) then the vertex of parabola is

how to use above information help

Maybe you are looking for this(?): Parabola -- from Wolfram MathWorld

Scroll down below equation (16)!