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If the centroid of triangle whose vertices are (a, 1, 3) , (−2, b, −5) and (4, 7, c) be the origin, the value of c − a − b is___

Answer» If the centroid of triangle whose vertices are (a, 1, 3) , (2, b, 5) and (4, 7, c) be the origin, the value of c a b is___


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