$\left\{\begin{matrix} x^2+y^2=\frac{1}{2}&&\\4x(x^3-x^2+x-1)+2=2xy+y^2&&\end{matrix}\right.$
$\left\{\begin{matrix} x^2+y^2=\frac{1}{2}&&\\4x(x^3-x^2+x-1)+2=2xy+y^2&&\end{matrix}\right.$
Started By dorabesu, 27-01-2013 - 09:12
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