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If A, B, C are the vertices of a triangl...

If A, B, C are the vertices of a triangle whose position vectors are `vec a, vec b, vec c` and G is the centroid of the triangle ABC, then `vec GA + vec GB + vec GC =`

A

`1/3 (vec a + vec b + vec c)`

B

`1/2 (vec a + vec b + vec c)`

C

`vec 0`

D

`vec a + vec b + vec c`

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The correct Answer is:
C
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