Mathematics · 2021
JEE Main · 27 August 2021, Shift 1 · Q72
Equation of a plane at a distance √(2/21) from the origin, which contains the line of intersection of the planes x-y-z-1=0 and 2 x+y-3 z+4=0, is:
Equation of a plane at a distance $\displaystyle \sqrt{\frac{2}{21}}$ from the origin, which contains the line of intersection of the planes $\displaystyle x-y-z-1=0$ and $\displaystyle 2 x+y-3 z+4=0$, is :
Official answer
(4)
$\displaystyle 4 x-y-5 z+2=0$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.