• 2022-06-17
    由y=1/x,y=4x,y=0,x=2所围成图形绕x轴旋转成的旋转体体积
    A: [img=31x43]1803c3ea995b2c8.png[/img]
    B: [img=22x43]1803c3eaa1814e8.png[/img]
    C: [img=22x43]1803c3eaa99c745.png[/img]
    D: [img=31x43]1803c3eab1fc82b.png[/img]