Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Image of line 
in the plane x + y + z = 7is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The line is perpendicular to normal, hence the line is parallel to plane, so the reflected line has the same direction. Now, image of (2,1,1) in the plane is 
say, then
So, the point is (4,3, 3)
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