名校
解题方法
1 . 已知函数
,
.
(Ⅰ)若
,解不等式
;
(Ⅱ)设
是函数
的四个不同的零点,问是否存在实数
,使得其三个零点成等差数列?若存在,求出所有
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e49948cb5d0925be201ed086845f1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fcc1dbd7485c0ff2a6e1ad4d871d34.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e9fa864472349a0094a4c8328e4536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190a6120c3330c51d0823c8bd8991b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-08更新
|
813次组卷
|
5卷引用:浙江省丽水市2018-2019学年高一下学期期末数学试题
浙江省丽水市2018-2019学年高一下学期期末数学试题(已下线)【新东方】杭州新东方高中数学试卷323广东省执信中学2019-2020学年高二上学期9月月考数学试题(已下线)第23讲 零点问题之三个零点-突破2022年新高考数学导数压轴解答题精选精练浙江省宁波市北仑中学2022-2023学年高二(1班)下学期期中数学试题
解题方法
2 . 在数列
中,
,
,
,其中
.
(1)求证:数列
为等差数列;
(2)设
,试问数列
中是否存在三项,它们可以构成等差数列?若存在,求出这三项;若不存在,说明理由.
(3)已知当
且
时,
,其中
,
,
,
,求满足等式
的所有
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cee8c5de493fbad1f21a0a10b45053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b3674799594a6016afcdc0fdb4edd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7035ce63c77b441f544fed0b4975d3bb.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e977500c1266a37522635c441e3f860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
(3)已知当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7035ce63c77b441f544fed0b4975d3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8656cb8f5a2b576edf99cf13944707b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dc4017e5c223437858dcb69ce1f285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2537b72c74ac9482d538480c7af1fc40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2b8ce227ed34efbae24e053130b1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2016-12-03更新
|
1910次组卷
|
2卷引用:安徽省黄山市2019-2020学年高一下学期期末考试数学试题