摘要
针对现有求导方法在对某些函数求导时表现出的不足，引进了七种特殊的求导方法，使得有关函数的求导变得简单易行。
Shortcomings of present methods for finding derivatives to some types of functions are pointed out,some particular methods are introduced,and a simple and convenient process of finding derivatives is obtained in the paper.
关键词
导数
恒星等变形
辅助元素
幂级数
求导法
derivative,identical transformation,supplementary elements,power series
