Suppose that two microphones 1500 m apart at points A and B detect the sound of a rifle shot. The time difference between the sound detected at point A and the sound detected at point B is 4 sec. If sound travels at approximately 330 m/sec, find an equation of the hyperbola with foci at A and B defining the points where the shooter may be located. di \d2 A(-750, 0) B(750, 0)

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