JEE Advanced 2023 Mathematics question

MathematicsParabolaJEE Advanced 2023

Let and be two distinct common tangents to the ellipse and the parabola . Suppose that the tangent touches and at the points and , respectively and the tangent touches and at the points and , respectively. Then which of the following statements is(are) true?

Answer: (A),(C)

Solution

Tangent to : . It touches the ellipse if . So , both meeting the -axis at – (C) true, (D) false. Points of contact: on the parabola

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Question ID VK-034063