1 . 设
是函数
的极值点,数列
满足
,
,
,若
表示不超过
的最大整数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292c5c40c8acc58574d83a87bfcfdef8.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdc998b5d90fecfe8cc82e26ffd0957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9b6e51986fe5d7a7265e0e93adcb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7584dd4a4b500c9d0b6ba28c02f9a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292c5c40c8acc58574d83a87bfcfdef8.png)
您最近一年使用:0次
2 . 已知
,数列
的前
项和为
,数列
的通项公式为
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157352244f7facf1f01a5760b5d507b9.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/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66ca3dd2e34d338dca36021dcc87ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200ca894aad05e8780620428ece04dd8.png)
您最近一年使用:0次
3 . 已知数列
满足:
,
.若
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be29d8f996c54183663d8a954166dc16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c074bbf5f12f70f81963e82ebcbe94e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次