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Question

If PO+OQ=QO+OR, show that the points P,Q,R are collinear.

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Solution

REF.Image
(ab)(ac)
(ab)=K(ac)
PQ+QO=QC+OR
OQOP=OROQ
OQOPab=1(OQOR)K(ac)
(OQOP)(OQOR)
P,Q,R lies on the same line on
collinear.

1160123_1144215_ans_46b293b3c0394cb89897ac67a8b6d01c.jpeg

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