【摘要】 阐述幂指函数在求极限时如何使用第二个重要极限或对数恒等式的技巧进行了较深入全面的讨论,同时对幂指函数在求导方面做了一些分析,给出了一个好记的具体公式,并对公式进行了证明。更多还原

【Abstract】 This paper expounds how to use the second important limit or the skill of logarithmic identity when calculating the limit of power exponential function, and makes a thorough and comprehensive discussion. At the same time, it makes some analysis on the derivation of power exponential function, gives a concrete formula which is easy to remember, and proves the formula.更多还原