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If the position vector of the centroid of tetrahedron whose position vector of vertices are ^i+^j+3^k,2^i−^j,−3^i+2^j+8^k and 3^i+2^j+^k is x^i+y^j+z^k. Then the value of 4(x−y+z)= |
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Answer» If the position vector of the centroid of tetrahedron whose position vector of vertices are ^i+^j+3^k,2^i−^j,−3^i+2^j+8^k and 3^i+2^j+^k is x^i+y^j+z^k. Then the value of 4(x−y+z)= |
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