When learning limit, we can start with the definition of limit, understand what limit is and how to solve the limit of a function at a certain point. Then you can learn some commonly used limit formulas and theorems, such as pinch theorem, L'H?pital's law and so on. These formulas and theorems can help us solve some complicated limit problems more quickly.
In addition, when learning the limit, you need to do more exercises to consolidate what you have learned. You can start with simple topics and gradually increase the difficulty. In the process of doing the problem, we should pay attention to summing up the rules and accumulating experience.
In short, to learn the limit in advanced mathematics, we need to master some basic concepts and methods, do more exercises and consolidate the knowledge we have learned. Only in this way can we truly grasp the important concept of limit.