jee-main 2020 Q69

jee-main · India · session1_07jan_shift1 Vectors: Lines & Planes Perpendicular/Orthogonal Projection onto a Plane
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
(1) $(6,5,2)$
(2) $(6,5,-2)$
(3) $(4,3,2)$
(4) $(3,4,-2)$
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\\
(1) $(6,5,2)$\\
(2) $(6,5,-2)$\\
(3) $(4,3,2)$\\
(4) $(3,4,-2)$