摘要
通过实例,以e±x为辅助函数,依f'(x)±f(x)的性质去探求f(x)的性质.
This paper introduces some useful examples and researches the property of f (x) through the property of f′( x ) ± f(x) by means of auxiliary function.
出处
《吉林师范大学学报(自然科学版)》
2005年第4期60-61,共2页
Journal of Jilin Normal University:Natural Science Edition
关键词
辅助函数
应用
性质
auxiliary function
application
property