Solved: Flashlight The light bulb in a flashlight is at

Chapter , Problem 4.3.31

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Flashlight The light bulb in a flashlight is at the focus of the parabolic reflector, 1.5 centimeters from the vertex of the reflector (see figure). Write an equation for a cross section of the flashlights reflector with its focus on the positive -axis and its vertex at the origin.

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