名校
1 . 点列,就是将点的坐标按照一定关系进行排列.过曲线C:
上的点
作曲线C的切线
与曲线C交于
,过点
作曲线C的切线
与曲线C交于点
,依此类推,可得到点列:
,
,
,…,
,…,已知
.
(1)求数列
、
的通项公式;
(2)记点
到直线
(即直线
)的距离为
,求证:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec391f08f1452fb3e0aebe7e12ba4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddbde5d269189fced4cc478908a6866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec391f08f1452fb3e0aebe7e12ba4fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a4422395ca20fe847419ec569e48b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddbde5d269189fced4cc478908a6866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9979465ce76b8582067703b39a0bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086e9b14c35ef3c57b20f5e952ebf9c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36460040ddea4761eee10d537b14a1f6.png)
(2)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/3db2da4189bf5f95ae10e6b96ee4b72e.png)
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2 . 已知
,函数
.
(1)讨论
在
上的单调性;
(2)已知点
.
(i)若过点Р可以作两条直线与曲线
相切,求
的取值范围;
(ii)设函数
,若曲线
上恰有三个点
使得直线
与该曲线相切于点
,写出
的取值范围(无需证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a541eb18a643831fe54cadb67b81da.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367ffd3e465f20c51eabb241d775dfa0.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11d32a6773d9324124836aa3de36f98.png)
(i)若过点Р可以作两条直线与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78735d41a7f51aff657fa3ca3064cca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(ii)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a5e0dc63f0ba031b3189dbba6ce35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f51f45600b3861764880a22402bc51d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603789eae75bb73bbdec868fa8ee8f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97c28585cf80e2b403c8e23ac391573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-05-05更新
|
1002次组卷
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3卷引用:吉林省长春市第二中学2022-2023学年高三下学期第七次调研测试数学试卷
名校
解题方法
3 . 已知函数
,
,过原点的直线与曲线
相切,也与曲线
相切.
(1)求a;
(2)设
有两个极值点
,
.
(ⅰ)求实数m的取值范围;
(ⅱ)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39792bb26dfff1cf8648901a4be3fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)求a;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81890a45292e740dfcf0157e489faa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(ⅰ)求实数m的取值范围;
(ⅱ)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a53af87c220168a6636c8029e0d9ed5.png)
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2022-08-22更新
|
579次组卷
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2卷引用:吉林省白山市抚松县第一中学2022-2023学年高三上学期第一次模拟考试数学试题
解题方法
4 . 已知函数
,
.
(1)当
时,过
作函数
的切线,求切线方程;
(2)若函数
存在极值,求极值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b22235757f38ea98ad0e02ca04fc0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
5 . 已知函数
,
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
在
内单调递减,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec4ae121558b3879b4f1657ee2826204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40fb8083dee4195745aae9a3f5b21b1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc299018cae8bc47faa38c156b355ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-08-15更新
|
710次组卷
|
3卷引用:吉林省东北师范大学附属中学2022届高三下理科数学第六次练习试题
6 . 已知函数
.
当
时,求函数
在点
处的切线方程;
当
时,若对任意
都有
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408d89d56c72fefc13e6141c720d31f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffe604dac7e511c06aa339460743ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c472109d36ba3e37771845ac86f714a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c769ef916fa4140c75c615bfc20cd28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5ce1a42cb65ca2619c6a5e21f2bcabf.png)
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2019-02-21更新
|
2379次组卷
|
4卷引用:【校级联考】吉林省吉林市普通中学2019届高三第一次调研测试数学(文)试题
名校
7 . 已知函数
,常数
.
(Ⅰ)若
,过点
作曲线
的切线
,求
的方程;
(Ⅱ)若曲线
与直线
只有一个交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a9848f12a2eab18c82c236bba1cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa116f6bbbac1a974976511c5d0b3e7.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec62f2635e41acdbfbe10869b926e4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a46168038fc09494797568f445d6e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9957f52a4f4a424e522d0afb0bbcdabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9957f52a4f4a424e522d0afb0bbcdabb.png)
(Ⅱ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a46168038fc09494797568f445d6e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721a35a70ff17001377390a8e3cef4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b331bbdd68d110681fc4547748b93bb.png)
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2017-07-23更新
|
506次组卷
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11卷引用:2015届吉林省长春市普通高中高三质量监测三文科数学试卷
2015届吉林省长春市普通高中高三质量监测三文科数学试卷2016届宁夏银川二中高三模拟三文科数学试卷宁夏银川市第二中学2017届高三下学期数学(文)模拟试题2016届山东省济南外国语学校高三上开学考试文科数学试卷宁夏石嘴山市第三中学2016-2017学年高二下学期期中考试数学(文)试题宁夏石嘴山市第三中学2018届高三12月月考数学(理)试题【全国百强校】浙江省绍兴市第一中学2018-2019学年高二下学期期中考试数学试题(已下线)专题19+选修1-1综合练习-2020-2021学年【补习教材·寒假作业】高二数学(文)(人教A版)(已下线)专题16+选择性必修第二册综合练习-2020-2021学年【补习教材·寒假作业】高二数学(人教A版2019)(已下线)专题08 一元函数的导数及其应用综合练习-2020-2021学年高二数学单元复习(人教A版选择性必修第二册)(已下线)专题19 选修1-1综合练习