作者GLP (^__________^)
看板trans_math
标题[积分] 旋转体体积
时间Fri May 22 17:06:25 2009
旋转体积一题 当年占了15分
A semi-circular region of radius r is rotated about
the line L which is the tangent line parallel to the
diameter. Find the colume volume.
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 58.115.135.114
1F：推 midarmyman:用PAPPUS吧! 140.117.198.78 05/22 21:34
2F：→ GLP:算出来是多少呢? 58.115.135.114 05/22 21:50
3F：推 midarmyman:2(pi)^2(r^3)? 140.117.198.78 05/22 22:48