求下式的定积分f|x²-4|dx (f上3下0 )求下式的定积分f|x²-4|dx (f上3下0 )
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 17:26:32
![求下式的定积分f|x²-4|dx (f上3下0 )求下式的定积分f|x²-4|dx (f上3下0 )](/uploads/image/z/3652224-24-4.jpg?t=%E6%B1%82%E4%B8%8B%E5%BC%8F%E7%9A%84%E5%AE%9A%E7%A7%AF%E5%88%86f%7Cx%26%23178%3B-4%7Cdx+%EF%BC%88f%E4%B8%8A3%E4%B8%8B0+%EF%BC%89%E6%B1%82%E4%B8%8B%E5%BC%8F%E7%9A%84%E5%AE%9A%E7%A7%AF%E5%88%86f%7Cx%26%23178%3B-4%7Cdx+%EF%BC%88f%E4%B8%8A3%E4%B8%8B0+%EF%BC%89)
求下式的定积分f|x²-4|dx (f上3下0 )求下式的定积分f|x²-4|dx (f上3下0 )
求下式的定积分f|x²-4|dx (f上3下0 )
求下式的定积分f|x²-4|dx (f上3下0 )
求下式的定积分f|x²-4|dx (f上3下0 )求下式的定积分f|x²-4|dx (f上3下0 )
当y < 0时|x^2 - 4| = 4 - x^2,∵面积为负∴需要补上负号