2013·江苏徐州·一模
名校
1 . 设曲线
在点
处的切线为
,
在点
处的切线为
,若存在
,使得
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89bcadf9a222820189819affa7b7d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e335ccbcff0424bc72d8349bffbdcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704c88794e6fd9acb36cf2df64517a1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dfcbb55ea5adef4552c2efa0b9ea2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23cd6d00248524284610ffd55c8dbea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-06-14更新
|
889次组卷
|
9卷引用:第十一届高二试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
第十一届高二试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)(已下线)2018年12月22日 《每日一题》文数人教选修1-1-周末培优湖南省长沙市明德中学2019-2020学年高三入学检测数学(理)试题(已下线)2021年全国新高考II卷数学试题变式题13-17题河北省衡水中学2023届高三考前冲刺数学试题(已下线)2013届江苏省徐州市高三考前模拟数学试卷2015-2016学年江苏如皋中学高二下4月月考理科数学试卷江苏省如东高级中学2016-2017学年高二下学期第一次阶段测试数学试题【全国百强校】江苏省扬州中学2018-2019学年高二下学期期中考试(理) 数学试题
名校
2 . 已知
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605abdcb63b71d4295db68be71f62dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f79e6b3f761a8d799ee32e928542bac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-04-20更新
|
973次组卷
|
3卷引用:第十二届高二试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
3 . 过曲线
:
上的点
作曲线
的切线
与曲线
交于
,过点
作曲线
的切线
与曲线
交于点
,依此类推,可得到点列:
,已知
.
(1)求点
,
的坐标;
(2)求数列
的通项公式;
(3)记点
到直线
(即直线
)的距离为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b225d772013d021cf1bfe7b9421fa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b7e35faab6d74fa0c36599c39d1698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51443d97c22cfa55a47270bfdd7b37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f724c379a00959905b87eedbe6d61fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(3)记点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a5b0f908cdae073db61be5b42fbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93f04dcabdafec74f98f4a1f4faa3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82e260b088f071983f254ce8f5163fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91321f9e0b712ccef47c4b9e0baca333.png)
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解题方法
4 . 已知函数
.
(1)若函数
在其定义域内为增函数,求实数
的取值范围;
(2)设
,若函数
存在两个零点
,且
.问:函数
在点
处的切线能否平行于
轴?若能,求出该切线方程,若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73e4a690d5ef101c87b1ffd0b2082e6.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de5f15b92ecf3022af7cdeaa87932f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d12c6bced208883ee3076090312f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf96a238627711acb4ec391a679567f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f3dd5f90549b2ac1f18e30024546d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
5 . 已知函数
,
.
(1)若
,
,求
的单调区间;
(2)若函数
是函数
的图像的切线,求
的最小值;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972efbd8ad14fb73877c222172b18e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e542fc34c94ba82d6646cac06257050.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f442c662903757d09fb284c4fc2eec10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2316563595e29fd4279845ab8afc5ba2.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e542fc34c94ba82d6646cac06257050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972efbd8ad14fb73877c222172b18e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee599f1b7f0bbbbe786d00b7c27eccca.png)
您最近一年使用:0次
2017-03-20更新
|
1318次组卷
|
3卷引用:第十四届高二试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
2012·江西南昌·一模
解题方法
6 . 在区间
内任取一个元素
,抛物线
在
处的切线的的倾斜角为
,则
的概率为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4695c34aafd1c1ae276f9eddc53a397d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5055e4a3d059186a3081d6e1ed43dff6.png)
您最近一年使用:0次