The equation of the hyperbola in a standard form whose eccentricity is \( \sqrt{2} \) and the di...

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The equation of the hyperbola in a standard form whose eccentricity is \( \sqrt{2} \) and the distance between foci is 16 is
(A) \( x^{2}-y^{2}=32 \)
(B) \( \mathrm{x}^{2}-\mathrm{y}^{2}=16 \)
(C) \( \mathrm{x}^{2}-\mathrm{y}^{2}=64 \)
(D) none of these
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