advanced mathmatics~~~高等数学】微分方程中的特解中的一个很细小的问题-4
Liouville'stheorem(differentialalgebra)Inmathematics,Liouville'stheorem,originallyfor...
Liouville's theorem (differential algebra) In mathematics, Liouville's theorem, originally formulated by Joseph Liouville in the 1830s and 1840s, places an important restriction on antiderivatives that can be expressed as elementary functions_______________________________________________以上是,刘维尔定理!my question:请见图片!下面这个定积分,能否积出来呢?我认为是:可以的!∵她既然是一个初等函数,初等函数,还会积不了分吗?~~~~~~~~下面是,我对出的该函数的分析与解剖~~~~~M=N平方,N=cosxP=e的S次方,S=sinx然后,P与M相乘,那不就是一个elementary function吗?既然是elementary function,怎么又积不了分呢?
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