已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce61e464ce846052b29a606d594da27.png)
(Ⅰ)若函数f(x)在x=e处取得极值,求a的值;
(Ⅱ)若对所有
,都有f(x)
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ce61e464ce846052b29a606d594da27.png)
(Ⅰ)若函数f(x)在x=e处取得极值,求a的值;
(Ⅱ)若对所有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e09696600b172cd3923cca269971f40.png)
更新时间:2020-09-26 00:03:43
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适中
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解题方法
【推荐1】已知函数
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(1)若函数
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(2)若函数
的图象在直线
图象的下方,求a的取值范围;
(3)求证:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42669ea60835e6c9307559aaa3692781.png)
(1)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460f6f3514a147f356985781625e1c96.png)
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解答题-问答题
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适中
(0.65)
【推荐2】函数
,满足
,且
在
上有最大值
.
(1)求
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(2)当
时,
恒成立,求实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faa9041f760356f636d784f277300dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5704be464d81a1c74c626bb4752f75.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82f8dc8860756e0b4b4402316da446a.png)
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适中
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【推荐1】已知函数
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适中
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【推荐2】若函数
.
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(2)若对于任意的
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be921727462aa16efdbe2fe4b3e4e014.png)
(1)若曲线
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(2)若对于任意的
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