Let F1 and F2 be the foci of the ellipse kx^2+y^2=1 where k>1 is a constant. Suppose that there is a circle which passes through F1 and F2 and which lies tangent to the ellipse at two points on the x axis. Compute k
The value of k is 5.
Atroshus,
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It is not something you should report formally.
+100 
