KCET 2009 Math Solved Paper
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Question : 38 of 61
Marks:
+1,
-0
If the circle x 2 + y 2 = a 2 intersects the hyperbola x y = c 2 in four points P ( x 1 , y 1 ) , Q ( x 2 , y 2 ) , R ( x 3 , y 3 ) and S ( x 4 , y 4 ) , then
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