Q-11 both parts fast i am a paid member
Q.11. If (- l, 3), (1, - 1) and (5, 1) are the vertices of a triangle. Find the length of median through first vertex.
The vertices of triangle (x, 1), (y, 2) and (- 3, z 2 ). Find the condition that centroid may lie on y-axis.

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Note: Length of the median  AD , where Ax1,y1=-1,3and Dx2,y2=3,0 is given by:x1-x22+y1-y22
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