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If a,b,c are three non-coplanar vectors,...

If a,b,c are three non-coplanar vectors, then `3a-7b-4c,3a-2b+c and a+b+lamdac` will be coplanar, if `lamda` is

A

`-1`

B

`1`

C

3

D

2

Text Solution

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The correct Answer is:
D
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