解题方法
1 . 已知函数
对任意实数
,
都满足
,且
.若
,则数列
的前9项和为___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5acb44dec40c697916cbcc39805b00fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3010494229a15363ef5132b7672c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba57c83d526ac308d1461e80fcca9f36.png)
您最近一年使用:0次
2021-09-20更新
|
464次组卷
|
4卷引用:人教A版(2019) 选修第二册 突围者 第四章 第三节 课时1 等比数列的概念
2021高二·全国·专题练习
2 . 函数
在
上可导,且
,
,若函数
成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d37f47ca6b93736c9a39c93d5ebbf9c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d959017f21880285ba4eca6d7f6fa0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1099f0055ffbeeaa8f0e142ef75268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2055c1114e064709dc3a2d6b49aec786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d37f47ca6b93736c9a39c93d5ebbf9c.png)
您最近一年使用:0次
3 . 设
是定义在
上恒不为零的函数,对任意实数
、
,都有
,若
,
,数列
的前
项和
组成数列
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce9ca4ea537ca11bfdb9d4ed944516b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa06ae104a6824b50877d4503ad68bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e55241a2e145d54849129b8ffd20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225b7279e35d2fdd4583732aa9d22870.png)
A.数列![]() ![]() | B.数列![]() ![]() |
C.数列![]() ![]() | D.数列![]() |
您最近一年使用:0次
2020-12-13更新
|
415次组卷
|
3卷引用:苏教版(2019) 选修第一册 选填专练 第4章 限时小练30 等比数列的前n项和(1)