关于洛必达法则求不定式极限时的若干注记

On Several Notes of L′Hospital Rule for Infinitive Limit

洛必达法则是求不定式极限的一种重要而简便的方法.文章详述了用洛必达法则求不定式极限的技巧及必须注意的若干问题,并举实例加以说明,使学生对法则的条件有了更深入的理解,从而提高了学生应用洛必达法则解决问题的能力.

Based on the practical teaching experience, several problems of L＇ Hospital rule for infinitive limit are illustrated by some examples. Thus, the students would have a more deep understanding of the L＇Hospital rule and the ability to use L＇ Hospital rule to solve the problem would be improved.