1 . 设函数
的定义域为I,若
,曲线
在
处的切线l与曲线
有n个公共点,则称
为函数
的“n度点”,切线l为一条“n度切线”.
(1)判断点
是否为函数
的“2度点”,说明理由;
(2)设函数
.
①直线
是函数
的一条“1度切线”,求a的值;
②若
,求函数
的“1度点”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b359345c5afa1739bf5ebf8982e1d959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f16fb94e679867d1aeab1b81a9765a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
(1)判断点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b969fe0f970a6605c114953c88d9d71e.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b7742abf1c609b8a4cc5c2dcc05814.png)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
解题方法
2 . 过点
可以作曲线
的两条切线,切点为
.
(1)证明:
;
(2)设线段
中点坐标为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a88cea6e5ba43dd2649f4b4618702b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a0e15c4c7992504099591ad8c23456.png)
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138dd512203c5b0e038b904ae67762b4.png)
您最近一年使用:0次
解题方法
3 . 已知椭圆
的离心率为
,上、下顶点与其中一个焦点围成的三角形面积为
,过点
作椭圆
的两条切线,切点为
.
(1)求椭圆
的方程;
(2)求
所在直线的方程;
(3)过点
作直线
交椭圆
于
两点,交直线
于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43cb674b584a6e214dcb45e78939ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f9e6bfd8667e5d14f1da4da1785451.png)
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
4 . 设函数
,曲线
在点
处的切线斜率为0
(1)求b;
(2)若存在
使得
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a420f0c1a4c62d501194cc2f76367212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(1)求b;
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6de9ba514f822555dd1e9f18644b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab13b3878cc20563a3850d46704b144.png)
您最近一年使用:0次
解题方法
5 . 已知直线
与曲线
和
都相切,倾斜角为α,直线
与曲线
和
都相切,倾斜角为β,则
取最小时,实数a的值为__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceb23a0b364f57c24ef0cf2fa1612a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01fbe68bc39206e5eee8afa7c15077ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceb23a0b364f57c24ef0cf2fa1612a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01fbe68bc39206e5eee8afa7c15077ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc42b556ad93ff83b8d6464cd9914685.png)
您最近一年使用:0次
2024高三·全国·专题练习
解题方法
6 . 已知函数
,
.
(1)若曲线
与x轴相切,求a的值.
(2)若
,证明:对任意
,都有
.
(3)若函数
在区间
上既不是增函数,也不是减函数,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16dccfe00cbca964b37f33b29981f774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c712829d60b4ea93966a5c68c24d677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264e54b81230f39733dcc4f39cf31c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aef77899b765a23595e23fbff9096ee.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458a4fd5df571c8d3dc526ede312aec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a26dd47ca4ad56a1fa06f84802b106b.png)
您最近一年使用:0次
7 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求
在区间
上的最小值;
(3)若
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a436bc4e31df34790a31a6de459d969.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17767bfaae48acebff5a10994d3165aa.png)
您最近一年使用:0次
2024·全国·模拟预测
8 . 已知函数
,
.
(1)当
时,求函数
的图像在
处的切线方程.
(2)若
为函数
的一个极小值点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14d07194dfd6643b897efb3876398fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f385eacc118fe9b5f0c23182929d6a50.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7d1ae04709d85383383b3da3d19e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
9 . 牛顿数列是牛顿利用曲线的切线和数列的极限探求函数
的零点时提出的,在航空航天领域中应用广泛.已知牛顿数列
的递推关系为:
是曲线
在点
处的切线在
轴上的截距,其中
.
(1)若
,并取
,则
的通项公式为__________ ;
(2)若取
,且
为单调递减的等比数列,则
可能为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641fec779880f75fa8ee6782f3350402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a582927de6e549053dfec41d5f9008a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(2)若取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6073fc52cd10164c1313dd96069b8d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0816dbd5a00f2a404b272c1521d3c2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
恰有三个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a3e1d9f785f24c0c39d74dbdb769d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2024-05-21更新
|
700次组卷
|
5卷引用:广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题
广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题黑龙江省部分学校2023-2024学年高三第三次模拟数学试题广东省深圳市光明区光明中学2023-2024学年高二下学期期中考试数学试题(已下线)专题09 导数与零点、不等式综合常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)