Find the x- and y-intercepts.

[tex]1. \: \: \frac{ (x - 1 ){}^{2} }{9} - \frac{(y - 4) { }^{2} }{4} = 1[/tex]

[tex]2. \: \: \frac{(y - 1) {}^{2} }{} - \frac{(x + 1) {}^{2} }{} = 1[/tex]

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