已知f(x)=aln x+
(a为常数),求函数的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7c0203e4dcfb797fdb0939421f2735.png)
20-21高二·全国·课后作业 查看更多[1]
(已下线)5.3.1 函数的单调性与导数
更新时间:2021-10-18 20:55:56
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【知识点】 含参分类讨论求函数的单调区间
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解答题-问答题
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【推荐1】已知函数
(
).
(1)求
的单调区间和极值;
(2)求
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9339999bf6bdaa120c7641a8b817a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】已知函数.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4e3bb09b84da077bdefdf3eae55c5a.png)
(1)若曲线
与曲线
在它们的交点
处具有公共切线, 求
的值;
(2)当
,且
时, 求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4e3bb09b84da077bdefdf3eae55c5a.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42007bf969626b5b86abe80782c6879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3e8a28bd46c493e4adb95194f43532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e455f4e6c97270bd28f207b89df5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aae37cac299cbe3ccac181b2175287f.png)
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