Find the center of mass of a tetrahedron of density p(x,y,z) = x + y + z bounded by the X y Z coordinate planes and the plane + 7 3 175 72 7 O A. X= y = , Z= " 8 B. X= 175 54 35 y = 7 6 7 - Z= 26 9 104 27 104 + = 1. 8

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