摘要
针对一道定积分题目进行探讨,提出14种计算方法,可以直接利用换元积分法,也可以先对被积函数化简,然后再利用凑微分法或换元积分法,进而培养学员的发散思维.
Discussed the subject for a definite integral and proposed 14 kinds of calculation methods to cultivate student's divergent thinking and comprehensive ability.
作者
景慧丽
王正元
JING Huili;WANG Zhengyuan(Department of Basic Courses, the Rocket Force University of Engineering, Xi' an 710025, China)
出处
《河南教育学院学报(自然科学版)》
2018年第1期54-57,共4页
Journal of Henan Institute of Education(Natural Science Edition)
基金
火箭军工程大学教育教学立项课题(EPGC2015008)
关键词
定积分
凑微分法
换元积分法
发散思维
一题多解
definite integral
improvising differential
integration by substitution
divergent thinking
one problem of muhi-sulotion