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JEE Main 2013 Mathematics question

MathematicsStraight LinesJEE Main 2013

Let A(−3, 2) and B(−2, 1) be the vertices of a triangle ABC. If the centroid of this triangle lies on the line 3x + 4y + 2 = 0, then the vertex C lies on the line :

Answer: (2)

Solution

Centroid . On the line: ,

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Question ID VK-104251