Let a line perpendicular to the line touch the parabola at the point . The distance of the point from the centre of the circle is ____ .
Answer: 10
Solution
Line has slope , so the perpendicular tangent to the parabola has slope .
For (vertex , ), the point of contact of the tangent with slope is .
Circle has centre .
For (vertex , ), the point of contact of the tangent with slope is .
Circle has centre .
JEE Main · 2024 · 05 Apr 2024 · Shift 2 · Integer answer