Show that the point (x,y) given by x = (2at)/(1 + t^(2)) and y = (a(1- – InterviewSolution

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1.	Show that the point (x,y) given by x = (2at)/(1 + t^(2)) and y = (a(1-t^(2)))/(1+t^(2)) lies on a circle for all real values of t such that -1 lt t lt 1 where a is any given real numbers.
Answer» ANSWER :`a^(2)`

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