Решение задачи по физике раздел 1 пункт 89 оптика

89. Because of the thin plane-parallel glass plate made of three lenses. The focal length of lenses 1 and 2 are folded together, as well f ´, the focal length of the lenses 2 and 3 is equal to f´. Determine the focal length of each lens.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)