Questions
Distance of a point on the parabola from
the focus is and its distance from the tangent at
the vertex is , then is equal to
detailed solution
Correct option is C
Any point on the parabola is P12t2,24t whosedistance from the focus (12, 0) is 12(t2+1=t andfrom y-axis, the tangent at the vertex is 12t2=d.So l – d = 12.Talk to our academic expert!
Similar Questions
The length of the perpendiculars from the focus
and the extremities of a focal chord of a parabola
on the tangent at the vertex form
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