名校
解题方法
1 . 已知函数
,
.
(1)若直线
是曲线
的切线,求
的最小值;
(2)设
,若函数
有两个极值点
与
,且
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f369fcd1d4b3a8ea3745429ec8c0d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd8376c6de9ed26d96c094a189e02cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9f15de6de27aaa8c894ae93e8d8015.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2af622d8e8d76b3b0c381eeebc1b33f.png)
您最近一年使用:0次
2021-06-04更新
|
1103次组卷
|
4卷引用:浙江省宁波市镇海中学2021届高三下学期高考仿真最后一卷数学试题
浙江省宁波市镇海中学2021届高三下学期高考仿真最后一卷数学试题(已下线)考点突破15 一元函数的导数及其应用-备战2022年高考数学一轮复习培优提升精炼(新高考地区专用)湖南师范大学附属中学2022-2023学年高三上学期月考(四)数学试题江西省九江市第七中学2024届高三上学期12月学情诊断数学试题
2 . 已知
,直线
为曲线
在
处的切线,直线
与曲线
相交于点
且
.
(1)求
的取值范围;
(2)(i)证明:
;
(ii)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86161d12df385eb4cfec8a8a38277fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e560b5246bb13e0e6bc15a5913eb879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7356730e983351835eb2e750f4f323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f09f29bb529ab9967a275b26e150c5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db551d9fa0c984594e71c295d05c2f23.png)
(ii)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6f6cf4ae5f535cdc78120eca2400ed.png)
您最近一年使用:0次
解题方法
3 . 已知函数
,
,
.
(1)当
时,曲线
在
处的切线与直线
平行,求函数
在
上的最大值(
为自然对数的底数);
(2)当
时,已知
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0befeb9aff66214573296d861c80af10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e2b52ffaa094404150fae1422f3cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c1686269ca6b7d9f959aacd0c7b47c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ed5e2229296f81743002168fbeac7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa3adcb154f6144903d456289ecb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c74bc4ad740482673266d910bf4d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a9eacf47ff1bec36bbd64453e3e1a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9034c939a8705eae3bbb55b290a2f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f5206220187a2466111c50693d782b.png)
您最近一年使用:0次