Identical objects are located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 4.20 and…

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Identical objects are located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 4.20 and mB = 2.40. Find the ratio fA/fB of the focal lengths of the mirrors.

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