关于洛必达法则证明的几点补充  

Several supplements to demonstration of the L'Hospital Rule

作　　者：马丽娜[1] 刘烁[2] 

机构地区：[1]陕西师范大学数学与信息科学学院,陕西西安710062 [2]第四军医大学生物医学工程学院,陕西西安710032

出　　处：《青海大学学报（自然科学版）》2011年第5期80-83,共4页Journal of Qinghai University(Natural Science)

基　　金：国家自然科学基金青年科学基金资助项目(61005046);陕西师范大学重点教学改革研究项目(ZDXMZYJS051)

摘　　要：用洛必达法则求函数的极限是一种很重要的方法。同济大学数学系主编的《高等数学》第六版教材中给出了洛必达法则的简单证明,本文对洛必达法则的证明作了详细的补充,以便于学生自学。Using the L＇ Hospital Rule to compute functional limit is an important method. However, many beginners put in doubt on demonstrations of the L＇ Hospital Rule, which provided by the sixth edition textbook Higher Mathematics edited by the Department of Mathematics of Tongji University. In order to help them better understand the demonstrations of the L＇ Hospital Rule, the paper presents several supplements.

关 键 词：洛必达法则 无穷小量 未定式 

分 类 号：O171[理学—数学]