设函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论
的单调性.
(2)若函数
存在极值,对任意的
,存在正实数
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96939e32b0386797fcca99d55e2c702.png)
(ⅰ)证明不等式
.
(ⅱ)判断并证明
与
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14da8be2c69ba0bf6678c6326237e98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96939e32b0386797fcca99d55e2c702.png)
(ⅰ)证明不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e88b44e5e9a7f337fa404b5426d349e.png)
(ⅱ)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f890c615c5af6329afbcbcb0c70b7592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
更新时间:2024-05-23 15:01:04
|
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
,
.
(1)讨论
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(2)当
时,记
的最小值为
,证明:
.
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(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-证明题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)若
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,求正数
的最大值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d27f6efcdd9a1a9b7edeff8850c3ae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e210024682c1ea79ee80124232dd512.png)
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(2)求证:
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知
,
.
(1)讨论函数
在
上的单调性;
(2)对一切实数
,不等式
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为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eacff6ed8f5a19b33ea7a13fefbbbf0.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db375608f180a03ebe97e171448acfe5.png)
(2)对一切实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02985dbb2ffa02dd41290c4c4f518570.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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【推荐2】已知函数
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,使得
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(2)试问:函数
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
,且
恒成立.
(1)求
的最大值;
(2)当
取得最大值时,设
,若
有两个零点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09481a4ef18cb728ea6556ac1b0e7904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d57a75712e85a6313e26ab602d1e6c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d57a75712e85a6313e26ab602d1e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1579adce247df5e15347dbe78e1536c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
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【推荐2】已知函数
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(1)求
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适中
(0.65)
【推荐3】已知函数f(x)=
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(1)求f(x)的单调区间和值域;
(2)设a≥1,函数g(x)=x3-3a2x-2a,x∈[0,1],若对于任意x1∈[0,1],总存在x0∈[0,1],使得g(x0)=f(x1)成立,求a的取值范围.
您最近一年使用:0次