If the focus of a parabola is (-2, 1) and the directrix has the equation x + y = 3 then the vertex is

JEE Advanced Mathematics question

If the focus of a parabola is and the directrix has the equation then the vertex is

Answer: (C)

The vertex is the midpoint of the focus and the foot of the perpendicular from to the directrix.

Foot of perpendicular from to $

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Question ID VK-108987