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Question

The vertices of ΔPQR are P(2,1),Q(2,3) and R(4,5). Find equation of the median through the vertex R.

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Solution

M is the midpoint on the line segment PQ since RM is the median.
Co-ordinates of M can be found using the midpoint theorem
=(222,3+12)=(0,2)
Equation of line RM is
y2=2504(x)
Y2=+3+4x
4y8=3x
3x4y+8=0


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