在高考中,递推数列通项公式的考察是关键点,很多学生在这个环节上不过关,事实上,求解递推数列的通项公式是有规律可行的,待定系数法就是解决这类问题的高效方法之一。本文就四种常见的题型给出求解方法,希望能给你一些帮助。 In the college entrance examination, recursive series of items is the key point of inspection, many students in this session, but off, in fact, the general formula for solving the sequence of recursive is a rule of law to be determined coefficient method is to solve these problems One of the efficient ways. This article gives solutions to four common questions, I hope to give you some help.