1 . 已知幂函数
的图象过点
,令
,
,记数列
的前
项和为
,则
时,
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081cd41dab0f2a8f84b0e9f1df4843fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc33497c7c3b9c7c2126f46ca726995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.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/634f439d13a208bbefdd8982c29655dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
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2 . 已知函数
,若a、b、c互不相等,且
,则abc的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a079488d23312cc5eab6c737adb4a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55825f684fe648e9e2e53959fdf22a6b.png)
您最近一年使用:0次
2019-02-20更新
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1347次组卷
|
2卷引用:【全国百强校】湖南省长沙市第一中学2018-2019学年高一上期末考试数学试题