Mathematics · 2022
JEE Main · 26 July 2022, Shift 1 · Q14
The length of the perpendicular from the point (1,-2,5) on the line passing through (1, 2, 4) and parallel to the line x+y-z=0=x-2 y+3 z-5 is:
The length of the perpendicular from the point $\displaystyle (1,-2,5)$ on the line passing through ($\displaystyle 1$, $\displaystyle 2$, $\displaystyle 4$) and parallel to the line $\displaystyle x+y-z=0=x-2 y+3 z-5$ is :
Official answer
(1)
$\displaystyle \sqrt{\frac{21}{2}}$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.