1.

If (2, 1, 3), (3, 2, 5), (1, 2, 4) are the mid points of the sides BC, CA, AB of DeltaABC respectively, then the vertex A is

Answer»

(2, 3, 6)
(0, 2, 2)
(4, 1, 4)
(2, 5, 4)

ANSWER :a


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