1 . 已知函数
的图象与x轴正半轴交于点A,函数
的图象在点A处的切线为l,l在y轴上的截距记为
.
(1)求数列
的通项公式;
(2)设
,求证
(
且
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce60671e743386d8068fdf2b71a08037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98140638c614f73c82e680469948c700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca997b9d0c8623b04963a8a7f81ae03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c369e9f0c7c902ce7403137100514152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
您最近一年使用:0次
2 . 已知函数
.
(1)求不等式
的解集;
(2)若
(
,且
),
,求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5adb2b60bf40ef6e0476500bfb53d08.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c43aeb4878df22c4bbfd5b42a39d1a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79701a7644abdf8d27592319bcc10d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ac49ab7c8001c209b8611b9ea40d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f364bd19eda02fa19a278441b2aa401b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4fd5654eddfca8536fdb52d592d6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faca32f6e355a55c5d01889271e341d.png)
您最近一年使用:0次
2020-08-07更新
|
168次组卷
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2卷引用:2020届山西省高三高考考前适应性测试(二)数学(理)试题