Find the midpoint on the line segment joining the points p1
Find the midpoint on the line segment joining the points p1 and p2. P1=(4-6); p2=(6,8)
Solution
Let C(x,y) is mid point on the line segment joining p1 and p2
equation of line segment
y -8 = [(-6-8)/(4-6)](x-6)
y-8 = 7(x-6)
7x-y = 34 -------(1)
as C(x,y) is mid point
so, [(x-4)^2 + (y+6)^2]^0.5 = [(x-6)^2+(y-8)^2]^0.5
By squaring both sides and solving
-8x +16 + 36 +12y = 36 -12x + 64-16y
4x+28y = 48
x + 7y =12 ------(2)
by solving equation 1 and 2
7x-y = 34 & x + 7y =12
multiplying equation 2 by 7
7x +49y = 84
subtracting equation 1
50y = 50 So, y =1
and x =5
So (5,1) is the mid point on the line segment

