曲线y=e-x (x≥0)与直线x=0,y=0所围图形绕ox轴旋转一周所得旋转体的体积为（）。A. π/2 B. π C. π/3 D. π/4

作者: tihaiku 人气: - 评论: 0

问题曲线y=e-x (x≥0)与直线x=0,y=0所围图形绕ox轴旋转一周所得旋转体的体积为（）。

选项 A. π/2 B. π C. π/3 D. π/4

答案 A

解析提示：所求旋转体积为

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