Mathematics, 24.04.2020 18:03 Alex9089435028

The reflector of a searchlight is in the shape of a paraboloid of revolution. Its diameter is 24 centimeters and its depth is 18 centimeters. How far from the vertex should the light bulb be placed so that the rays will be reflected parallel to the axis?

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The reflector of a searchlight is in the shape of a paraboloid of revolution. Its diameter is 24 cen...