If P(x1,y1),Q(x2,y2),R(x3,y3) and S(x4,y4) are four concyclic points o – InterviewSolution

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1.	If P(x1,y1),Q(x2,y2),R(x3,y3) and S(x4,y4) are four concyclic points on the rectangular hyperbola xy=c2, then coordinates of the orthocenter of the △PQR is
Answer» If $P (x_{1}, y_{1}), Q (x_{2}, y_{2}), R (x_{3}, y_{3})$ and $S (x_{4}, y_{4})$ are four concyclic points on the rectangular hyperbola $x y = c^{2}$ , then coordinates of the orthocenter of the $△ P Q R$ is

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