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If the origin is the centroid of the tri...

If the origin is the centroid of the triangle whose vertices are A (2,p,-3), B(q,-2,5) and C(-5,1,r), then find the values of p,q and r.

A

`p=1, q=-3, r=-2`

B

`p=1, q=3, r=-2`

C

`p=1, q=3, r=2`

D

`p=-1, q=-3, r=-2`

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The correct Answer is:
B
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