解题方法
1 . 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)
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2 . 若函数
在不同两点
,
处的切线互相平行,则这两条平行线间距离的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80befe309941a6369b1cd77bfdcb78a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45dddee525114c09ee0d1205aed6e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3b54e0dcdc081d45fb3df933cddc29.png)
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2024-02-17更新
|
839次组卷
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5卷引用:湖北省高中名校联盟2024届高三第三次联考综合测评数学试卷
湖北省高中名校联盟2024届高三第三次联考综合测评数学试卷2024届高三新改革数学模拟预测训练二(九省联考题型)(已下线)专题5 基本不等式在导数中的应用(一题多解)(已下线)专题10 切线问题【讲】(已下线)压轴题03不等式压轴题13题型汇总-2
名校
3 . 有这样一个事实:函数
与
有三个交点
,
,
在直线
上.一般地,我们有结论:对于函数
与
的图象交点问题,当
时,有三个交点,当
时有一个交点,借助导数可以推导:当
时有两个交点,当
时有一个交点,当
时没有交点,先推导出
的值,并且求:关于
的方程
在
上只有一个零点,
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8694025f28a3c1bf778d24f080e5ced3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2c02083b8dbd73cc516a353f9ce977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2178de1389fc51fe2ffdb77c9c649aeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab07d24f0bba818ea74de2abee07bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dffab151f647284b5c6f17dd6256f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3682af5d8996831587af7f0cb3bdce63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5365fd873e4b3c37f5611d5bccdf8c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d404137eede5243736f0e875bf5e75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090eccd45d621755d16a7466ac936e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ef8543ba5f7364c95d14f3cdbd4cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2c2b24a6a5ad741b833fc084dc0ad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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4 . 定义:若数列
满足
,则称该数列为“切线一零点数列”已知函数
有两个零点1,2,数列
为“切线一零点数列,”设数列
满足
,
,
,数列
的前n项和为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d238a52feae87b0778ba324dc144d50.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272b44a71d0bec02b3c4f3f05304f942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b24c2f0837fe6cf4160bc6de2690dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2755fcabc5ee31d2fc498fe2c49b03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92c23c6c2530f80f700d4ca2a8ed113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0998bd7bdcf49633c773084eea9317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d238a52feae87b0778ba324dc144d50.png)
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2020-05-03更新
|
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2卷引用:2020届湖北省荆门市高三下学期4月模拟考试理科数学试题