180350c4756a81c.png及[img=42x22]180350c47d057da.png[/img]绕x轴旋转而成的旋转体的体积为（ ）
A: [img=31x43]180350c4859013a.png[/img]
B: [img=31x43]180350c48e95d27.png[/img]
C: [img=31x43]180350c496fc02e.png[/img]
D: [img=20x18]180350c49eb8025.png[/img]
A: [img=31x43]180350c4859013a.png[/img]
B: [img=31x43]180350c48e95d27.png[/img]
C: [img=31x43]180350c496fc02e.png[/img]
D: [img=20x18]180350c49eb8025.png[/img]
举一反三
- 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]1803c4137ccd13d.png[/img] B: [img=22x43]1803c4138458ff1.png[/img] C: [img=22x43]1803c4138c13df6.png[/img] D: [img=31x43]1803c41393e9fa9.png[/img]
- 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]
- 求下列曲线所围成的平面图形绕ox轴旋转一周所生成的旋转体的体积:[img=147x26]1803b22151ab705.png[/img]. A: [img=31x43]1803b22159d9ba6.png[/img] B: [img=31x43]1803b22161a3e75.png[/img] C: [img=31x43]1803b2216a18d8a.png[/img] D: [img=31x43]1803b221726a626.png[/img] E: [img=31x43]1803b2217b454eb.png[/img]
- 180317059b5a38d.png绕y轴的旋转的旋转体体积 A: [img=31x43]18031705a3b820b.png[/img] B: [img=22x43]18031705ac97644.png[/img] C: [img=22x43]18031705b574ca1.png[/img] D: [img=31x43]18031705be9b6a0.png[/img]
- 求二重闭合曲线积分[img=257x48]180322a52b16393.png[/img]值 A: [img=31x43]180322a53393ec3.png[/img] B: [img=31x43]180322a53c3db07.png[/img] C: [img=31x43]180322a5459da64.png[/img] D: [img=31x43]180322a54e95859.png[/img] E: [img=31x43]180322a5576d1ef.png[/img] F: [img=31x43]180322a55fbd314.png[/img] G: [img=20x18]180322a5678e0af.png[/img] H: [img=20x18]180322a570dd8ba.png[/img] I: [img=20x18]180322a5792e124.png[/img] J: [img=20x18]180322a5814c205.png[/img]