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If the points A,B,C and D have position ...

If the points `A,B,C and D` have position vectors `bara,2bara+barb,4bara+2barb and 5 bara+4barb` respectively, then three collinear points are: a)A , B , D b)A , B , C c)B , C , D d)A , C , D

A

`A,B,D`

B

`A,B,C`

C

`B,C,D`

D

`A,C,D`

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The correct Answer is:
A
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