A and B are points in the plane such that PA/PB = K (constant) for all P on a circle. The value of K cannot be equal to A. -1/2 B. 1/2 C. -1 D. 1
aditya kashyap , 10 Years ago
Grade upto college level
1 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
Using Apollonian Circles Theorem Given two point A and B and a number r The locus of point P such that PB/PA=ris a circle. But ifr=1, in this case it is the perpendicular bisector of AB So, for question , if P lies on a circle, then K cannot be equal to 1.
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