If you are looking for specific topics, here is where most students get stuck and where the solutions above are most helpful:

These are often the hardest chapters to find solutions for. Many students pivot to Dummit & Foote solutions for comparison, as the problems are often similar in scope. 4. Tips for Using Solution Manuals

Ensure you are using the 3rd Edition solutions, as Lang rearranged several sections between the 2nd and 3rd iterations.