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## Homework Statement

Hello! The question I'm looking to solve is asking me to "analytically evaluate the image" produced by a concave mirror (which I'm assuming is telling me to use matrix methods to find image position, though I'm not sure). I've come across matrix methods which give me the distance from the optical axis to where an incident ray crosses the input plane of the system, but I'm wondering what steps to take in order to find image position.

I haven't been to class is a few days and so I'm really quite lost, and not being able to find any resources which are consistent with this course is really frustrating. Hopefully someone can steer me in the right direction...

Thank you!