math
posted by cam .
the end points of a line segment are A (7, 1) and B (5,5)
determine the equation of right bisector of AB
show that the origin 0,0 lies on the right bisector of AB

slope of AB = 6/12 = 1/2
slope of right bisector = 2
midpoint of AB = (1,2)
equation of rightbisector
y2 = 2(x+1)
y2 = 2x  2
y  2x
it is obvious that (0,0) satisfies this equation, thus (0,0) lies on this line
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