我国南北朝时期的数学家祖暅(杰出数学家祖冲之的儿子),提出了计算体积的祖暅原理:“幂势既同,则积不容异.”意思是:两个等高的几何体若在所有等高处的水平截面的面积相等,则这两个几何体的体积相等.已知曲线
:
,直线
为曲线
在点
处的切线.如图所示,阴影部分为曲线
、直线
以及
轴所围成的平面图形,记该平面图形绕
轴旋转一周所得的几何体为
.过
作
的水平截面,所得截面面积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ (用
表示),试借助一个圆锥,并利用祖暅原理,得出
体积为______ .
![](https://img.xkw.com/dksih/QBM/2020/7/20/2510122764886016/2511333338759168/STEM/40ed3275623b4b2981534d086ce95975.png?resizew=435)
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2020·黑龙江哈尔滨·模拟预测 查看更多[5]
黑龙江省哈尔滨师范大学附属中学2020届高三下学期第四次模拟数学理科试题黑龙江省哈师大附中2020届高三高考数学(理科)四模试题(已下线)专题8.9 《空间向量与立体几何》单元测试卷(测)-2021年新高考数学一轮复习讲练测江苏省泰州市姜堰中学2020-2021学年高三上学期期初数学试题(已下线)第十章 导数与数学文化 微点1 导数与数学文化(一)
更新时间:2020-07-22 13:03:40
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填空题-单空题
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适中
(0.65)
【推荐1】已知函数
,记
,
,…,
,
且
,对于下列命题:
①函数
存在平行于
轴的切线;②
;
③
;④
.
其中正确的命题序号是____________ (写出所有满足题目条件的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc436eb1738984ed3b50eca6569a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9dd6b09548f67f4ded98b20587d3d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cda43d90a28efab3db4168ff6578e86.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3c99ca3d73d87d3fdbef88c859dd6a.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b4ceef651d43872a078d48092417d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161ed25647dd80f62a52c0f416d3ca48.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b134d640c9c638d67da2a089b8c32549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d371959091774384c3737c5e1ecb5c5a.png)
其中正确的命题序号是
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【推荐2】曲线
上的点到直线
的最短距离是________ .
![](https://img.xkw.com/dksih/QBM/2011/4/11/1570115166052352/1570115171237888/STEM/6bdcb84d280f492a8f6c115fac88370d.png?resizew=55)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4cb0990b93c9900bab2784bef4b10f.png)
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【推荐1】在正三棱台
中,已知
,点P是侧棱
上的动点(含端点).记二面角
为
,二面角
为
,该三棱台的体积为V,三棱锥
的体积为
,则
的最大值为____________ ;若存在点P,使得
,则V的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d134433600df75f2a5d0f35deb2cac90.png)
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【推荐2】已知圆锥
和
的底面重合 (
为底面圆圆心),点
与
不重合,且
和底面圆周都在同一个半径为2的球面上,设圆锥
的体积为
,圆锥
的体积为
,若
的最大值为
,则当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2129cd2f8dd45bd9f6ec511d3b814e.png)
_____ . (用数值作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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【推荐1】中国古代计时器的发明时间不晚于战国时代(公元前
年~前
年),其中沙漏就是古代利用机械原理设计的一种计时装置,它由两个形状完全相同的容器和一个狭窄的连接管道组成,开始时细沙全部在上部容器中,细沙通过连接管道流到下部容器,如图,某沙漏由上、下两个圆锥容器组成,圆锥的底面圆的直径和高均为
,细沙全部在上部时,其高度为圆锥高度的
(细管长度忽略不计).若细沙全部漏入下部后,恰好堆成一个盖住沙漏底部的圆锥形沙堆,则此圆锥形沙堆的高为___________
.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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【推荐2】《九章算术》是我国古代内容极为丰富的数学名著,书中有鳖臑、阳马、刍甍三种几何体,其中刍甍是如图所示五面体,下底面是矩形,顶部为一条平行于底面矩形一边且小于此边的线段.若
,
,
,直线
与平面
的距离为
,则该刍甍的体积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
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