Giải Hệ
$\left\{\begin{matrix} 2x(x+\sqrt{x^2+1})+y^4=\frac{1}{4} & \\ 2\sqrt{x^2+1}-(y+\frac{1}{y})^2=\frac{3}{2} & \end{matrix}\right.$
Edited by Ngoc Hung, 22-03-2016 - 20:38.
$\left\{\begin{matrix} 2x(x+\sqrt{x^{2}+1})+y^{4}=\frac{1}{4} & \\ ... & \end{matrix}\right.$
Started By CaoHoangAnh, 21-03-2016 - 21:07
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