MHT CET 2023 Mathematics question

The centroid of tetrahedron with vertices at A(-1,2,3), B(3,-2,1), C(2,1,3) and D(-1,-2,4) is

Answer: (A)

Solution

The centroid of a tetrahedron is the mean of its four vertices. ; ; . So the centroid is

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Question ID VK-097456