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Q)

The directrices of the hyperbola $x^{2}-4(y-3)^{2}=16$ are

\[\begin{array}{1 1}(1)y=\pm\frac{8}{\sqrt{5}}&(2)x=\pm\frac{8}{\sqrt{5}}\\(3)y=\pm\frac{\sqrt{5}}{8}&(4)x=\pm\frac{\sqrt{5}}{8}\end{array}\]

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