1 . 已知函数
.
(1)当
时,讨论函数
的单调性;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4655ff45ef0bc8fb2904804790b62780.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48adb8a59b5c02fad5eada1b35171cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次
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解题方法
2 . 已知函数
.
(1)求
的单调区间;
(2)若
存在极大值M和极小值N,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdba57b954959ffc284a2c43ee79c968.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6ab5dc88d360f758ee6709bd2a787f.png)
您最近一年使用:0次
2022-03-01更新
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906次组卷
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4卷引用:山西省吕梁市2022届高三下学期开年摸底联考(全国卷1)数学(文)试题