Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If the points with position vectors 
are collinear, then 
is equal to
Text Solution
Verified by ExpertsThe correct answer is:
A
The given position vectors can be written as
Also given that these three points are collinear.
Let us assume that the point B divides AB, BC in the ratio k : 1.
Since, A, B, C are collinear
On applying section formula for z co-ordinate we get,
Ratio =2:19
Now, 
Now similarly, 
Hence this is the correct option.
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