已知函数
.
(1)若
,求
的值;
(2)证明:当
且
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72530ecf02cbf89d325353844f77e1f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8010942f8ff56e4826c1e6b0abe6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ada116570f85799b755f8e354aee6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b0d8ecf4955dfcb76ca3e896568b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f451194fd52cb7651ed8b241c09f986d.png)
23-24高三上·山东济南·开学考试 查看更多[4]
山东省济南市2023-2024学年高三上学期开学摸底考试数学试题山东省泰安新泰市第一中学(实验部)2023-2024学年高三上学期第一次质量检测数学试题(已下线)模块一 专题3 导数(人教A)3(已下线)专题2-6 导数大题证明不等式归类-1
更新时间:2023-09-13 06:31:37
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解答题-证明题
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适中
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解题方法
【推荐1】已知定义在
上的两个函数
,
图象有公共点,且在公共点处的切线相同.
(1)用
表示
.
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a687417d184c5b01c5633160b72f2b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7065926a8c62d0bde441fb52da390e.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a0d62527f57677bd90515d2ddb4412.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数
.
(1)讨论函数
的单调性;
(2)当
,函数
,证明:
存在唯一的极大值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2297c574c386f42b21c89cf2d3a3b552.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3061bb4c726f3a1734a0d1d084b58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9d30ced691a5b83e37029c8f2e631b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9886fbf8d58de26924077e33808642f4.png)
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【推荐1】已知函数
,且
,
(1)求
的解析式;
(2)若对于任意
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(3)证明:函数
的图象在直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8b41256e6b641068418432d3bd332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a82c350fab44b7fca501e9b85a12c02.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf02609882cad3c351383daa26441d6d.png)
(3)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026a47e20cca255b7eb455cc92aec22a.png)
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适中
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【推荐2】已知函数
,
.
(1)求函数
的极值点;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fba2a1ca4e04e921e0ba4fbbbefe3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a6d2f69c0d24042b1bc1894d086c30.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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适中
(0.65)
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解题方法
【推荐3】已知函数
.
(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ee1e716848da4b723ac1fa715af5f6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb2aa50b66454d3418796861f12d3f8.png)
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