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JEE Advanced Mathematics question

MathematicsThree Dimensional GeometryJEE Advanced

The position vectors of two vertices and the centroid of a triangle are , and respectively. The position vector of the third vertex of the triangle is

Answer: (A)

Solution

The centroid is . With the unknown vertex,

Missing argument for \hat\hat k = Missing argument for \frac\frac{(Missing argument for \hat\hat i + Missing argument for \hat\hat

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Question ID VK-109611