Answer to Extra Credit Problem

Here's a one-stop for everyone needing detail on analysis. You can find the answer to the extra credit problem there as well as just about anything about mathematical analysis you want. I have a chalkboard at my house and can host some get-togethers for studying and analysis if you want. I think we could all benefit from it.

Alternatively, there's another approach offered from UC-Davis introduction to analysis course, of which our professor is an alumni.