已知
在
时取得极值,且
.试求常数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29608127d0f700cf886a63b9675c8700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54faa979e57d1ed35655f31c59241a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f92d230fa96966536227da16604162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
更新时间:2021-08-31 19:29:08
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【知识点】 根据极值点求参数
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0f209af46178aa0349a1307e86a3f6.png)
(1)求函数的单调区间与极值点;
(2)若
,方程
有三个不同的根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba24d45750064c8d1e3520343f12481e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0f209af46178aa0349a1307e86a3f6.png)
(1)求函数的单调区间与极值点;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31bc0c34811edba74dae3fcaed8f577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】已知函数
.
(1)若
,求
在
处的切线方程;
(2)若
有2个极值点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4a85f15f6b1e33b49bea653659c7dc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐3】已知
是函数
的极值点.
(Ⅰ)求
的最小值;
(Ⅱ)设函数
,若对任意
,存在
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e022b7d7e579a9fb311bdfda550e0441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a1788978cd8ca7297a3e42278d7ff7.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6d719aa01059b9f533017e3514f7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e300e60be8d1827744cdc01e7d04c840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4624a648f30189a10c8b6683b190ce5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次