Mathematics · 2019
JEE Main · 8 April 2019, Shift 2 · Q84
If a point R (4, y, z) lies on the line segment joining the points P (2,-3,4) and Q(8, 0, 10), then the distance of R from the origin is:
If a point $\displaystyle \mathrm{R}(4, y, z)$ lies on the line segment joining the points $\displaystyle \mathrm{P}(2,-3,4)$ and Q($\displaystyle 8$, $\displaystyle 0$, $\displaystyle 10$), then the distance of R from the origin is :
Official answer
(2)
$\displaystyle 2 \sqrt{14}$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.