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In a dimensional coodinate a system P, Q and R are image of a point `A(a, b, c)` in the XY they YZ and the ZX planes respectively. If G is the centroid of triangle PQR then area of Triangle AOG is (O is origin).

A

`0`

B

`a^2+b^2+c^2`

C

`(2)/(3)(a^2+b^2+c^2)`

D

None of these

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The correct Answer is:
(a)
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