Giải hệ:
$\left\{\begin{matrix}x+\dfrac{3x-y}{x^2+y^2}=3 & \\ y-\dfrac{x+3y}{x^2+y^2}=0& \end{matrix}\right.$
Giải hệ: $\left\{\begin{matrix} x+\dfrac{3x-y}{x^2+y^2}=3 & \\ ..& \end{matrix}\right.$
Started By chieckhantiennu, 31-12-2015 - 17:41
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Posted 31-12-2015 - 17:41
chieckhantiennu
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#2
Posted 31-12-2015 - 18:24
anhquannbk
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Giải hệ:
$\left\{\begin{matrix}x+\dfrac{3x-y}{x^2+y^2}=3 & \\ y-\dfrac{x+3y}{x^2+y^2}=0& \end{matrix}\right.$
http://diendantoanho...-phương-trinh/
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