\( x^{2}-4 y^{2}-2 x+16 y-40=0 \) represents \( \mathrm{P}^{16: 2} ...

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\( x^{2}-4 y^{2}-2 x+16 y-40=0 \) represents
\( \mathrm{P}^{16: 2} \)
(1) A pair of straight lines
W
(2) An ellipse
(3) A hyperbola
(4) A parabola
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