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The points A(bar(a)),B(bar(b)),C(bar(c))...

The points `A(bar(a)),B(bar(b)),C(bar(c))` will be collinear if

A

`bara+barb+barc=bar0`

B

`baraxxbarb+barbxxbarc+barcxxbara=bar0`

C

`bara.barb+barb.barc+barc.bara=bar0`

D

`baraxx(barb+barc)+barbxx(barc+bara)+barcxx(bara+barb)=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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