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If A (a, 2, - 2), B (a, b, 1) and C ( 1,...

If A (a, 2, - 2), B (a, b, 1) and C ( 1, 2, -2) are vertices of `Delta` ABC whose centroid is G (2, 1, c), then (a, b, c) `equiv`

A

(5, - 2, - 2)

B

`(5/2,-1,-1)`

C

`(5/2,1,-1)`

D

(5,-1,-1)

Text Solution

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The correct Answer is:
B
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