Mathematics - 3D-Coordinate Geometry Question with Solution | TestHub

The line of intersection of$P_1 , P_2$has direction ratios$1, 2,-1$

The line$\frac{3x-4}{9}=\frac{1-3y}{9}=\frac{z}{3}$is perpendicular to the line of intersection of$P_1 ,P_2$

The acute angle between$P_1 , P_2$is${60}^o$

If$P_3$is the plane passing through the point$\left(4, 2,-2\right)$and perpendicular to the line of intersection of$P_1 , P_2$, then the distance of the point$\left(\mathrm{2,1},1\right)$from the plane$P_3 \mathrm{i}\mathrm{s}\frac{2}{\sqrt{3}}$