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数列与不等式交汇题的考查特点新课标高考有关数列与不等式交汇题的考查,题设情境大致有如下四类:①已知数列是等差数列或等比数列;②已知数列满足简单的递推关系;③利用直线与曲线的位置关系构造点列;④数列的相邻两项满足的已知函数关系.题设目标主要有:①求等差数列或等比数列的通项公式或前n项和;②论证数列是等差数列或等比数列;③求递推数列的通项公式;④应用错位相减法或裂项相消法求数列的前
Series and inequality examination of the characteristics of the New Curriculum entrance examinations on the number of columns and inequality examination questions, set the situation generally have the following four categories: ① known sequence is the arithmetic sequence or geometric series; ② known sequence to meet the simple Recursive relationship; ③ the use of the relationship between the position of the line and the curve to construct point column; ④ adjacent two of the series to meet the known function of the relationship between the main objectives are: ① find the arithmetic progression or geometric series of general formulas or The first n items and; ② argumentation sequence is the arithmetic sequence or geometric series; ③ find the general formula of recursion sequence; ④ the use of dislocation subtraction or f