A(x_1,y_1),B(x_2,y_2),C(x_3,y_3)," are the vetice of a triangle, then – InterviewSolution

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1.	A(x_1,y_1),B(x_2,y_2),C(x_3,y_3)," are the vetice of a triangle, then equation " \|{:(x,y,l),(x_1,y_1,1),(x_2,y_2,1):}\|+\|{:(x,y,l),(x_1,y_1,1),(x_3,y_3,1):}\|=o represents
Answer» the mediam through A the ALTITUDE through A the perpendicualr BISECTOR of BC the LINE JOING the centroid with a vertex Answer :A,D

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