Illumination A light source is located over the center of a circular table of diameter 4

Chapter 3, Problem 47

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Illumination A light source is located over the center of a circular table of diameter 4 feet (see figure). Find the height of the light source such that the illumination at the perimeter of the table is maximum if where is the slant height, is the angle at which the light strikes the table, and is a constant. xy2

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