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A thick lens surrounded by air has R1 = 4cm, R2 = -6 cm, thickness =...

A thick lens surrounded by air has R1 = 4cm, R2 = -6 cm, thickness = 2 cm, and an index of refraction n = 1.5. If an object is 8 cm from the left of the surface of R1, where is its image located?

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