χsin(χ-t)2dt=_______.

admin2020-03-10  19

问题 χsin(χ-t)2dt=_______.

选项

答案0χsinu2du+χsinχ2

解析 由∫0χχsin(χ-t)2dt=χ∫0χsin(χ-t)2dtχ∫0χsinu2du,得
    χsin(χ-t)2dt=(χ∫0χsinu2du)=∫0χsinu2du+χsinχ2
转载请注明原文地址:https://jikaoti.com/ti/3utRFFFM
0

最新回复(0)