Let O be the origin and the position vector of the point P be 
If the position vectors of the points A, B and C are 
and 
respectively, then the projection of the vector 
on a vector perpendicular to the vectors 
and 
is
Text Solution
Verified by ExpertsA
Given.
O be the origin and the position vector of the point P be 
,
So. 
Also given the position vectors of the points A, B and C are 
and 
Now finding.
And 
Now finding the Projection of 
on vector perpendicular to 
& 
we get.
Projection 
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