已知函数
,
,
在
上有且仅有一个零点
.
(1)求
的取值范围;
(2)证明:若
,则
在
上有且仅有一个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c4d0b1cf4cae0756fc05e1695dc813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406b668b14dbdd75ad591fa8d5fa4b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf9befc3b336d83b83bcfcbc19c0752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e601d5f49a28dd69ed4e6fa1bab251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4a7c40492ac55e2b593a7dec23248a.png)
22-23高三上·山西临汾·期中 查看更多[3]
更新时间:2022-11-01 17:57:19
|
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解答题-证明题
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较难
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名校
解题方法
【推荐1】已知函数
.
(1)若
在定义域上具有唯一单调性,求
的取值范围;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5108ed3c327f264bfc866b9dbbffb5a0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1864b98153200f5929787295de2c1e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4728c869a382ff173153f1d2d18c9e.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】已知函数
,
.
(1)曲线
在点
处的切线斜率是否为定值?
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe35fcff7ffd2a279300263810795bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
(1)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f86eaa9fdfc67dea066177a0491b2.png)
您最近一年使用:0次
解答题-问答题
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较难
(0.4)
【推荐1】已知函数
.
(1)讨论
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(2)当
时,判断方程
的实数解的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a971d4560078f48f71fa21127d260cb.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e119b759955a5131dfa4418e7dc517.png)
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解答题-证明题
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较难
(0.4)
【推荐2】已知函数
.
(1)求曲线
在点
处的切线方程;
(2)当
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(3)请直接写出函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dea1da7b5efc62402ef532b60964b2.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)请直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次