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The co-ordinattes of B and C of the tria...

The co-ordinattes of B and C of the trianglle ABC are (5,2,8) and (2,-3,4) respectively.If the centroid of the triangle ABC are (3,-1,3) then the coordinates of A are ___

A

a)(2,-2,2)

B

b)(2,-2,-3)

C

c)(2,-2,-3,)

D

d)(-2,-2,-3)

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