Then there's the problem of finding PDFs on torrents or pirate sites. Though I'm not comfortable with that since it's illegal. Maybe there's an official solutions manual sold separately. Let me check Amazon or other booksellers. If there's a solutions manual available, then purchasing it would be legitimate. Searching for "Liboff 4th edition solutions manual" on Amazon... Hmm, not seeing any results for the 4th edition specifically, maybe the older editions.
If all else fails, maybe joining academic groups on Facebook or LinkedIn could help. Sometimes people in those groups share resources. Alternatively, academic help sites like Course Hero might have the solutions, but again, those require a subscription. Then there's the problem of finding PDFs on
I could also look for university course pages. For instance, Stanford or Harvard might have courses in quantum mechanics, but again, the textbook used might vary. If I can find a course that specifically uses Liboff's 4th edition, maybe the professor has posted some solutions. This is a bit difficult without knowing specific universities. Let me check Amazon or other booksellers
Also, maybe solving the problems is part of the learning process, and relying too much on solutions can hinder understanding. Using the textbook's worked examples and checking with peers or instructors for feedback could be better in the long run. But that's a personal choice. Hmm, not seeing any results for the 4th
So, after considering all these, I need to decide which path to take based on legality, availability, and personal ethics.