名校
解题方法
1 . 已知抛物线
,点
在抛物线
上.
的切线的斜率为
;
(2)过
外一点A(不在x轴上)作
的切线AB、AC,点B、C为切点,作平行于BC的切线
(切点为D),点
、
分别是与AB、AC的交点(如图).
(i)若直线AD与BC的交点为E,证明:D是AE的中点;
(ii)设三角形△ABC面积为S,若将由过
外一点的两条切线及第三条切线(平行于两切线切点的连线)围成的三角形叫做“切线三角形”,如
.再由点
、
确定的切线三角形
,
,并依这样的方法不断作1,2,4,…,
个切线三角形,证明:这些“切线三角形”的面积之和小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393dfed4141a606a8aba9b4db21c1c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12637403dddfe351b9e3eacbd6ac2a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa4e9d7d044658001c41e2ca2dfb82b.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(i)若直线AD与BC的交点为E,证明:D是AE的中点;
(ii)设三角形△ABC面积为S,若将由过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1dc5667bbf205d6c6c6d189ebda123e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfaa7a1d2e3b0555ce86e3db435c19e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00117e8ba0b2e730872d7ab6f26666b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f1ad18371ec533aeac27cf1fad95c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d903ee24de929de0fc7bc8e45f6c6686.png)
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名校
解题方法
2 . 狄利克雷(1805~1859)Dirichlet,PeterGustavLejeune德国数学家.对数论、数学分析和数学物理有突出贡献,是解析数论的创始人之一.他提出了著名的狄利克雷函数
,狄利克雷函数是数学分析中典型的病态函数.
则关于
有以下结论中不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238fba9b391d01ceb071e78ee221035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d1a0e2dca4d9b89193c869e6c989a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238fba9b391d01ceb071e78ee221035.png)
A.![]() |
B.![]() |
C.存在![]() ![]() |
D.设函数![]() ![]() |
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名校
3 . 如图所示,连接棱长为2cm的正方体各面的中心得到一个多面体容器,从顶点A处向该容器内注水,直至注满水为止.已知顶点B到水面的距离h以每秒1cm的速度匀速上升,设该容器内水的体积
与时间
的函数关系是
,则函数
的图象大致是( )
![](https://img.xkw.com/dksih/QBM/2022/5/29/2990017971732480/2991406488354816/STEM/ae7c8b7a-12fa-4adf-b3b4-b0442f30c075.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b785a4b6636ed1f145ed8f7e3a0fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ecd76012d1b9c5e9fec6221e6e489c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ac562e5ac2ebbc5982b4e2e20e88a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5582cbe1cfe815db333ba20eb9f1bb35.png)
![](https://img.xkw.com/dksih/QBM/2022/5/29/2990017971732480/2991406488354816/STEM/ae7c8b7a-12fa-4adf-b3b4-b0442f30c075.png?resizew=156)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 为了评估某种药物的疗效,现有关部门对该药物在人体血管中的药物浓度进行测量.设该药物在人体血管中药物浓度
与时间
的关系为
,甲、乙两人服用该药物后,血管中药物浓度随时间
变化的关系如下图所示,则下列四个结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/4/19/2961427003047936/2962237866319872/STEM/9d487371-6757-4307-95e8-8192befecf06.png?resizew=288)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7ffbe495dccc4314d2a8f62f2e2368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/2022/4/19/2961427003047936/2962237866319872/STEM/9d487371-6757-4307-95e8-8192befecf06.png?resizew=288)
A.在![]() |
B.在![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2022-04-20更新
|
466次组卷
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4卷引用:安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测理科数学试题
安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测理科数学试题北京市顺义牛栏山第一中学2021-2022学年高二4月月考数学试题(已下线)北京市西城区2022届高三二模数学试题变式题6-10(已下线)第8讲 导数的概念及运算题型总结 (1)
5 . 已知函数
是定义在
上的可导函数,其导函数为
,则命题
“
,且
,
”是命题
:“
,
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f972a7a1d05b45cffb5a291f0863c7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae2c13ad91dae29cf4d9f794a8808dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2258e07b578b1b48663b5bb084da11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10adc150ad61fe6013197e555c0d095a.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充要条件 | D.既不充分也必要条件 |
您最近一年使用:0次
2017-04-11更新
|
696次组卷
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3卷引用:2017届安徽省池州市高三4月联考数学(理)试卷