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Olympiad-Math
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Class 9
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Coordinate Geometry
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Q)
If the centroid of the triangle formed by the points (a,b) (b,c) and (c,a) is at the origin, then a^3 + b^3 + c^3 =
( A ) abc
( B ) 3abc
( C ) 0
( D ) a+b+c
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