Question:
Let $P$ be a plane passing through the points $(2,1,0)$, $(4,1,1)$ and $(5,0,1)$ and $R$ be any point $(2,1,6)$. Then the image of $R$ in the plane $P$ is:
Correct Option: , 2
Solution:
Equation of plane is $x+y-2 z=3$
$\Rightarrow \frac{x-2}{1}=\frac{y-1}{1}=\frac{z-6}{-2}=\frac{-2(2+1-12-3)}{6}$
$\Rightarrow \quad(x, y, z)=(6,5,-2)$
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