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数列极限的求解多与分类讨论相结合,或先依条件确定数列的通项公式再求极限,或先求某数列的前n项和再求极限.而函数极限重点考查的内容有:利用常见函数的极限,通过恒等变形用函数极限的四则运算法则求相关函数的极限;利用函数的连续性求函数的极限或判断函数在给定点处的连续性.高考数学的极限题型为客观题或某一大题中的小题.
The solution of the series limit is mostly combined with the classification discussion, or the conditional formula is first determined by conditions to find the limit, or the first n items of a sequence are first evaluated and then the limit is found. The contents of the function limit focus are: The limit of the function is to find the limit of the correlation function by using the quadratic algorithm of the limit of the function of the constant deformation; to use the continuity of the function to find the limit of the function or to judge the continuity of the function at a given point. The limit question type of the college entrance examination mathematics is an objective question. Or in a big question.