Find a proof that only considers 2n + 1 points

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We color each vertex of the plane red or blue. Let n ≥ 3 be an integer. Prove that there exist n points so that all these points and their centroid have the same color. Try to find a proof that only considers 2n + 1 points. (Recall that the centroid of a set of n points in a (vector) space, viewed as the vectors v1, V2, ..... , vn is the point given by the vector (vx + v2 +..............+ vn)/n.)

Reference no: EM131240640

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