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If in a DeltaA B C ,\ A=(0,0),\ B=(3,3sq...

If in a `DeltaA B C ,\ A=(0,0),\ B=(3,3sqrt(3)), C-=(-3sqrt(3),3)` then the vector of magnitude `sqrt(2)` `units` directed along `A O ,\ w h e r e\ O` is the circumcentre of ` A B C` is

A

a) `(1-sqrt(3)) hat i+(1+sqrt(3)) hat j`

B

b) `(1+sqrt(3)) hat i+(1-sqrt(3)) hat j`

C

c) `(1+sqrt(3)) hat i+(sqrt(3)-1) hat j`

D

d) None of these

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