If y=2 be the directrix and (0,1) be the vertex of the parabola x^ 2 + y+ =0 then ( , ) is equal to

JEE Advanced Mathematics question

If be the directrix and be the vertex of the parabola then is equal to

Answer: (D)

Write . This is with (a parabola opening downward if ). Its vertex is , i.e. , and its directrix is , i.e. .

Compar

Create a free account to read the complete working (3 steps), and practise questions like this in a timed test.

Question ID VK-109929