Tìm m để hệ phương trình sau có 3 cặp nghiệm phân biệt:
$\left\{ \begin{array}kx^2y-x^2+y=2\\m(x^2+y^2)-x^2y=4\end{array}\right.$
$\left\{ \begin{array}kx^2y-x^2+y=2\\m(x^2+y^2)-x^2y=4\end{array}\right.$
Started By quanghao98, 11-05-2014 - 21:41
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Posted 11-05-2014 - 21:41
quanghao98
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