What kind of questions is the last question in college entrance examination mathematics? Such as hyperbola
Finally, the series or hyperbola is generally used as the finale. If there is a hyperbola, there are generally three small questions, the first is simple, the second is medium, and the third is thoughtful. In the case of series, the sum of n terms is usually found ... or something. Anyway, the summation method of special series must be mastered skillfully. There are still unclear questions. Please keep asking. ...