JEE Main 2018 — Parabola Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
Tangents drawn from the point to the parabola touch the parabola at and . If is the focus of the parabola, then the area of the triangle (in sq. units) is equal to
Choose an option
Show full solutionCorrect option: A
Correct answer
A48
Step-by-step explanation
Equation of the chord of contact is given by:
or ,
where
Equation becomes:
Chord of contact is
Coordinates of point and are and
and focus of the parabola is
Area of triangle sq. units
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