JEE Advanced Mathematics question

MathematicsParabolaJEE Advanced

The equation of a parabola is . For this parabola

Answer: (B),(C)

Solution

Taking square roots,

= ,

i.e. distance of from = distance of from the line . Since is not on that line (), this is a parabola with focus and directrix . So (b), (c) ✓.

- (a)

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Question ID VK-109044