A tangent and a normal are drawn ...|PARABOLA|JEEMAIN 2021

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JEE MAIN 2021

27-08-2021 S1

Question

A tangent and a normal are drawn at the point $\mathrm{P}(2,-4)$ on the parabola $\mathrm{y}^2=8 \mathrm{x}$, which meet the directrix of the parabola at the points $A$ and $B$ respectively. If $Q(a, b)$ is a point such that $A Q B P$ is a square, then $2 a+b$ is equal to :

Select the correct option:

A

–16

B

–18

C

–12

D

–20

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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