Mathematics · 2021
JEE Main · 3 August 2021, Shift 2 · Q77
A plane intersects the y z -plane at x=0,2 y-3 z=5 and it intersects the x y -plane at z=0,7 x+4 y=10. Then the distance of the point (1,-2,-1) from…
A plane intersects the $\displaystyle y z$-plane at $\displaystyle x=0,2 y-3 z=5$ and it intersects the $\displaystyle x y$-plane at $\displaystyle z=0,7 x+4 y=10$. Then the distance of the point $\displaystyle (1,-2,-1)$ from this plane is
Official answer
(3)
$\displaystyle \frac{5}{\sqrt{101}}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.