Posted by Kelvin on Saturday, January 26, 2013 at 5:10pm.
(x^2+y^2)^2=4(x^2y^2)
Equation of a lemniscate curve

Math  Reiny, Saturday, January 26, 2013 at 5:29pm
I think your are right, it is.

Math  Kelvin, Saturday, January 26, 2013 at 5:38pm
(x^2+y^2)^2=4(x^2y^2)
Equation of a lemniscate curve ?! Can you solve this
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