Problems and Solutions.

This document is from the College Mathematics Journal and contains a section with problems and solutions for college mathematics students and teachers. The editors encourage active participation by submitting solutions and proposing new and interesting problems. The document provides instructions for submitting problems and solutions, including the accepted file formats. It also includes a list of proposed problems and their corresponding solutions. Additionally, the document includes an editorial comment regarding a previously published incorrect solution and provides the intended solution for that problem. [Extracted from the article]