Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Let 
be the co-ordinates of the foot of the perpendicular drawn from the point 
on the line 
.
Then the length of the projection of the vector 
on the vector 
is :
A
B
4
C
D
3
Text Solution
Verified by ExpertsThe correct answer is:
C
Line: 
, Point 
.
Any point on line: 
.
.
For perpendicular: 
gives 
, so 
.
Foot 
.
Projection of 
on 
.
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