Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The vector(s) which is/are coplanar with vectors 
and 
, and perpendicular to the vector 
is/are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a,d)
Sol. 
= 
+ 
+ 2 
= 
+ 2 
+ 
= 
+ 
+ 
Required vector is λ 
× ( 
× 
)
λ [( 
. 
) 
– ( 
. 
) 
]
λ [ (1+2+1) – ( 
+ 
+2 
) – (1+1+2) ( 
+2 
+ 
) ]
λ [–4 
+ 4 
]
so our vector in parallel – 
+ 
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