Mathematics, 16.11.2019 05:31 log40

Aspotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating the parabola x2=3y around its axis of symmetry (assume that x and y are in units of inches). in order to have the brightest, most concentrated light beam, how far from the vertex should the bulb be placed? express your answer as a fraction or a decimal rounded to two decimal places.

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Aspotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating...