Question: Assume that when the plane curve C shown in the following figure is revolved about the x-axis, it generates a surface of revolution with the

Assume that when the plane curve C shown in the following figure is revolved about the x-axis, it generates a surface of revolution with the property that all light rays L parallel to the x-axis striking the surface are reflected to a single point O (the origin). Use the fact that the angle of incidence is equal to the angle of reflection to determine a differential

tangent УА L. P(x, y) ө

equation that describes the shape of the curve C. Such a curve C is important in applications ranging from construction of telescopes to satellite antennas, automobile headlights, and solar collectors.

tangent L. P(x, y)

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