摘要无穷限反常积分收敛时,其被积函数在无穷远处的极限不一定为零。
The limit of the integrand f ( x ) of abnormal integral, which is convergent in the infinite range of integration, is not certainly equal zero at infinity.
无穷限积分是微积分学中广义积分的一种类型,是积分知识的一个难点内容。
Infinite integral is a type of improper integral in calculi, and it is also a difficult point in integral.
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