If P,Q and R are any three points on the curve whose equation is xy=c2 – InterviewSolution

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1.	If P,Q and R are any three points on the curve whose equation is xy=c2 then prove that the orthocentre of the triangle PQR also lies on that curve. (wirhout using parabola.)
Answer» If P,Q and R are any three points on the curve whose equation is xy=c²then prove that the orthocentre of the triangle PQR also lies on that curve. (wirhout using parabola.)

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