\[\begin{array}{1 1}(1)\frac{x^{2}}{144}-\frac{y^{2}}{432}=1&(2)\frac{x^{2}}{432}-\frac{y^{2}}{144}=1\\(3)\frac{x^{2}}{12}-\frac{y^{2}}{12\sqrt{3}}=1&(4)\frac{x^{2}}{12\sqrt{3}}-\frac{y^{2}}{12}=1\end{array}\]

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