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纵观近几年的高考试题,考查有关数列的主要内容有:(1)数列基本知识,即差、等比的概念、公式等;(2)求一般数列的通项公式或证明数列为特殊数列;(3)求一般数列的前n项和;(4)数列综合考查,其中有数列与函数、方程、不等式、三角、几何的结合。下面笔者结合具体的例题来谈对数列相关知识的考查。1对数列基本知识的考查对基本知识的考查,注重概念理解,熟记公式。例1(2016年高考数学全国卷Ⅰ)已知等差数
Throughout the college entrance examination exams in recent years, examining the main contents of the series are: (1) the basic knowledge of sequence, that is, the concept of poor, geometric ratio, formula, etc .; (2) (3) Seeking the first n terms of a general series and (4) A comprehensive examination of a series, where there is a combination of sequences and functions, equations, inequalities, trigonometry, and geometry. The following combination of specific examples to talk about the relevant knowledge of the series test. A pair of basic knowledge of the exam The basic knowledge of the exam, pay attention to conceptual understanding, memorize the formula. Example 1 (National College Entrance exam mathematics in 2016 Ⅰ) Equal numbers are known