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ConceptVectors - Centroid Formula for Vector

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#### Question

If A, B, C, D are four non-collinear points in the plane such that `bar(AD)+bar( BD)+bar( CD)=bar O` then prove that point D is the centroid of the ΔABC.

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Solution for concept: Vectors - Centroid Formula for Vector. For the courses HSC Arts, HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)