VECTOR AND 3D_ JEE MAIN_2019_10-04-2019-S-1 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN_2019_

10-04-2019-S-1

Question

If $Q(0,-1,-3)$ is the image of the point $P$ in the plane $3 x-y+4 z=2$ and $R$ is the point $(3,-1,-2)$, then the area (in sq. units) of $\triangle P Q R$ is :

Select the correct option:

$\frac{\sqrt{65}}{2}$

$\frac{\sqrt{91}}{4}$

$2 \sqrt{13}$

$\frac{\sqrt{91}}{2}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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