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Let `G_(1), G(2) and G_(3)` be the centroid of the triangular faces OBC, OCA and OAB of a tetrahedron OABC. If `V_(1)` denotes the volume of tetrahedron OABC and `V_(2)` that of the parallelepiped with `OG_(1), OG_(2) and OG_(3)` as three concurrent edges, then the value of `(4V_(1))/(V_2)` is (where O is the origin

A

`4V_(1)=9V_(2)`

B

`9V_(1)=4V_(2)`

C

`3V_(1) = 2V_(2)`

D

`3V_(2) = 2V_(1)`

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A
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  2. If V is the volume of the parallelepiped having three coterminous edge...

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