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近几年各名校自招试题中屡屡出现从数列的有界性考查递推数列,解决的方法是不等式放缩或数列极限的定义,知识和能力上要高于高考要求,与高等数学接轨,相当于竞赛的一试或预赛程度,要求学生思维灵活,应具有较强的恒等交形能力和技巧,适当拓展部分课外知识.下面结合具体实例分析,供
In recent years, many elite schools from recruit questions often appear from the series of boundedness recursive search sequence, the solution is to inequalify or limit the number of series definition, knowledge and ability to higher than the college entrance examination requirements, and higher mathematics, Equivalent to a contest or preliminaries, requiring students to be flexible thinking, should have a strong ability and skills of social equality, appropriate to expand some extra-curricular knowledge. The following combination of specific examples of analysis for