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MHT CET 2022 Mathematics question

MathematicsThree Dimensional GeometryMHT CET 2022

If A (x, 4, -1), B (3, x, -5) and C (2, -2, 3) are the vertices and G (2, 1, -1) is the centroid of the triangle ABC, then the value of x is

Answer: (B)

Solution

The centroid is the mean of the vertices: . Equating with : ;

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Question ID VK-095819