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JEE MAIN 2019
12-01-2019 S2
Question
If an angle between the line, $\frac{x+1}{2}=\frac{y-2}{1}=\frac{z-3}{-2}$ and the plane, $x-2 y-k z=3$ is $\cos ^{-1}\left(\frac{2 \sqrt{2}}{3}\right)$
Select the correct option:
A
$\sqrt{\frac{3}{5}}$
B
$\sqrt{\frac{5}{3}}$
C
$-\frac{5}{3}$
D
$-\frac{3}{5}$
βœ“ Correct! Well done.
βœ— Incorrect. Try again or view the solution.
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