已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dee95aef86154934dbb08a8b4d22ef6.png)
(1)当
,证明:
;
(2)若函数
在
上恰有一个极值,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dee95aef86154934dbb08a8b4d22ef6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67abf5793bcee37d634b2487cae2cd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1798ba947bed1f794c123106b8d5519.png)
20-21高二下·重庆合川·阶段练习 查看更多[2]
更新时间:2022-05-24 23:13:15
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,函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b647867d91de52884cea8c492fb0f4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee472f4c364364dca231156703ab291.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐1】已知函数
.
(1)证明:
.
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,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b23a6a127827a788933fcf7bcf8b21a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0707a12b1d3efe62f9965d3272025464.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c068fc22f3d075f7572d9bf171e8bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17af43cc460a6a7010d51a0c9403d67.png)
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适中
(0.65)
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3a29d2d20ae09c1e07baa7270d9e88.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6914bdee2c7bda8b815b92b683363828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046a1a78646b8092cf2d112dcebf5b3c.png)
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