A) P and Q
B) Q and R
C) P and Q
D) only two points
Correct Answer: A
Solution :
\[{{R}_{PQ}}=\frac{5}{11}r,{{R}_{QR}}=\frac{4}{11}r\]and \[{{R}_{PR}}=\frac{3}{11}r\] \[\therefore \]\[{{R}_{PQ}}\] is maximum.
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