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Mathematics · 2018
JEE Main 2018 · 2018-04-08 Offline · Q84
The length of the projection of the line segment joining the points (5, -1, 4) and (4, -1, 3) on the plane, x+y+z=7 is:
The length of the projection of the line segment joining the points ($\displaystyle 5$, -$\displaystyle 1$, $\displaystyle 4$) and ($\displaystyle 4$, -$\displaystyle 1$, $\displaystyle 3$) on the plane, $\displaystyle x+y+z=7$ is :
Official answer
(4)
$\displaystyle \sqrt{\frac{2}{3}}$
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.