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If `aoverset(^)i+overset(^)j+overset(^)k,overset(^)i-boverset(^)j+overset(^)k,overset(^)i+overset(^)j-coverset(^)k` are coplanar, then `abc+2` is equal to

A

`a+b-c`

B

`a-b-c`

C

`a+b+c`

D

`a-b+c`

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-VECTORS-Critical Thinking
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