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数列是高中数学中一个重要的内容,也是高考的热点和难点之一。涉及数列方面的题在每年的高考中都会出现,而且占的分数比较多,作者对2010年全国统一招生考试陕西卷分析得出:与数列有关的题接近占全卷分数的15%,可见数列在整个试卷中占的比重之巨大。在高中新教材中编者并未明确提出数列的递推关系,但在考试中往往都包含了数列递推的思想。据此,作者就求数列递推关系的几种常用方法进行浅析,希望能对同学们有所帮助。
Number of high school mathematics is an important part of the content, but also one of the hot and difficult entrance. Involved in the series of questions in the annual college entrance examination will appear, but also accounted for more scores, the author of the 2010 national uniform entrance examination Shaanxi Volume derived: the number of questions related to the series nearly 15% of the whole volume of points, we can see the sequence In the entire papers accounted for a huge proportion. In the new high school textbook editor did not explicitly put forward the recursion of numbers, but in the examination often contain the idea of sequence recursion. Accordingly, the author analyzes several commonly used methods of sequence recursion, hoping to be able to help students.