1.

If H,G,S, I are respectively othercentre centroid , circumcentre and incentre of a triangle formed by the points (1,2,3), (2,3,1) and (3,1,2) . Then H + G + S + I =

Answer»

(2,2,2)
(4,4,4)
(6,6,6)
(8,8,8)

ANSWER :D


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