Mathematics · 2022
JEE Main · 28 June 2022, Shift 1 · Q15
If two distinct points Q, R lie on the line of intersection of the planes -x+2 y-z=0 and 3 x-5 y+2 z=0 and PQ = PR =√ 18 where the point P is…
If two distinct points $\displaystyle Q, R$ lie on the line of intersection of the planes $\displaystyle -x+2 y-z=0$ and $\displaystyle 3 x-5 y+2 z=0$ and $\displaystyle \mathrm{PQ}=\mathrm{PR}=\sqrt{18}$ where the point P is $\displaystyle (1,-2,3)$, then the area of the triangle PQR is equal to
Official answer
(2)
$\displaystyle \frac{4}{3} \sqrt{38}$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.