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If the four points with position vectors `-2overset(^)i+overset(^)j+overset(^)k,overset(^)i+overset(^)j+overset(^)k,overset(^)j-overset(^)k and lambda overset(^)j+overset(^)k` are coplanar, then `barlambda=`

A

1

B

2

C

`-1`

D

0

Text Solution

Verified by Experts

The correct Answer is:
A
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