关于不定积分的分部积分法运算技巧

On the Indefinite Integral Subsection Integral Operation Skills

分部积分法是不定积分的一种重要的积分方法,其关键是要合理地选取u和dv。根据多年的教学实践,归纳总结出了u和dv的选取规律和技巧,指出了分部积分法的适用范围和应注意的问题,降低了分部积分法的难度,旨在提高学生分部积分法的运算效率。

The integration by parts is an important integral method of indefinite integral, the key is to select reasonable u＆dv. Based on years of teaching practice, the paper summarized the selection rules and skills of u＆dv, points out the scope of integration by parts and the problems that should be paid attention to, reduces the difficulty of the subsection in- tegral method, in order to improve the students＇ efficiency of operating integral method.