Giải hệ pt: $\left\{\begin{matrix} \sqrt{3x}(1+\frac{1}{x+y})=2\\ \sqrt{7y}(1-\frac{1}{x+y})=4\sqrt{2}\end{matrix}\right.$
$\sqrt{3x}(1+\frac{1}{x+y})=2$
Started By jb7185, 04-02-2012 - 13:08
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