Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
and 
are coplanar vectors and 
= 5, 
then 122 (c 1 + c 2 + c 3 ) is equal to ___________ .
Text Solution
Verified by ExpertsThe correct answer is:
150
(150)
2c 1 + c 2 +3c 3 =5 ...(1)
c 1 +3c 2 + c 3 =0 ...(2)
And 
8c 1 -7c 2 -3c 3 =0 ...(3)
By solving (1), (2), (3) we get
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