1.

The P.V.'s of the vertices of a DeltaABC are bar(i)+bar(j)+bar(k), 4bar(i)+bar(j)+bar(k), 4bar(i)+5bar(j)+bar(k). The P.V. of the circumcentre of DeltaABC is

Answer»

`5/2bar(i)+3BAR(J)+BAR(K)`
`5bar(i)+3/2bar(j)+bar(k)`
`5bar(i)+3bar(j)+1/2bar(k)`
`bar(i)+bar(j)+bar(k)`

ANSWER :A


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