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From the point ( 1,2) tangent lines are drawn to the parabola If the area of the triangle formed by the chord of contact & the tangents is  the value of  is



Question ID - 153585 | SaraNextGen Top Answer

From the point ( 1,2) tangent lines are drawn to the parabola If the area of the triangle formed by the chord of contact & the tangents is  the value of  is

1 Answer
127 votes
Answer Key / Explanation : (8) -

(8)

Chord of the contact w.r.t. point  is  (using )

Solving  , with parabola, we get points of intersection as

and

Also length of perpendicular from  on

Then required area of triangle is

 sq. units

127 votes


127