Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let 
be a line obtained from the intersection of two planes 
and 
. If point 
is the foot of perpendicular from 
on 
, then the value of 
equals :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
d JEE Main 2021
Dr's of line 
Dr's: 
Points on the line 
Equation of the line 
Dr's of 
Dr's of y lines are 
Since 
line 
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