2. For the answer to the third edition of advanced mathematics in Jining Normal University, we must first confirm which book the school uses, and then we can look it up on the Internet or ask a professional teacher for it. There are usually answers, and you can buy them online.
I hope my answer can help you. You can also use the formula in the textbook to calculate the mathematical answer. Besides, the answers to advanced mathematics in general universities are at the back of the book. If not, there may be another answer. You can find the answer you want through many channels.