3D Geometry · JEE Main previous year questions

2016 2 questions

1. Q252016 · 3 Apr 2016 · Shift 1

   If the line, $\frac{x-3}{2}=\frac{y+2}{-1}=\frac{z+4}{3}$ lies in the planes, $lx+my-z=9$, then $l^2+m^2$ is equal to :

   1. A.$5$
   2. B.$2$
   3. C.$26$
   4. D.$18$
   Show answer

   Answer: B

2. Q272016 · 3 Apr 2016 · Shift 1

   The distance of the point $(1,-5,9)$ from the plane $x-y+z=5$ measured along the line $x=y=z$ is :

   1. A.$\frac{10}{\sqrt{3}}$
   2. B.$\frac{20}{3}$
   3. C.$3\sqrt{10}$
   4. D.$10\sqrt{3}$
   Show answer

   Answer: D