There are four solutions of indefinite integration in paper: direct integration, the first exchangeable integration, the second exchange - able integration, parcel integration.
分析了不定积分的四种基本求解方法：直接积分、第一换元法、第二换元法、分部积分法。
Since? Represents an indefinite integral, the ambiguity arises from constant of integration.
由于？时硎静欢？分，而积分常数引起了不确定性。
The integration by second substitution is an important method of calculating indefinite integral, it has a certain application, it usually applies to calculate some integrals of irrational function.
第二换元积分法是求函数不定积分的一种重要方法，具有一定的适用范围，对某些无理函数的积分的求解通常使用该方法。
应用推荐