JEE Advanced 2022 Mathematics question
Consider the parabola . Let be the focus of the parabola. A pair of tangents drawn to the parabola from the point meet the parabola at and . Let and be points on the lines and respectively such that is perpendicular to and is perpendicular to . Then, which of the following is/are TRUE ?
Answer: (B),(C),(D)
Solution
. Tangent at : ; through : , so and . . Line has unit direction : (so
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