已知函数
.
(1)求曲线
在点
处的切线方程;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcae99663aca97acd5cfe5ff7dc4c177.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae5ef2d0f9af3f152b85fd4c4f8024a.png)
23-24高三上·江苏南通·阶段练习 查看更多[3]
(已下线)江苏省南通市如皋市2023-2024学年高三上学期9月诊断测试数学试题(已下线)2024年全国高考名校名师联席命制数学(理)信息卷(五)(已下线)模块四 第五讲:利用导数证明不等式【练】
更新时间:2023-10-01 13:35:59
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
(
).
(I)当
时,求
在点
处的切线方程;
(Ⅱ)求函数
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9345b3594511fe03a65badc8c1d34250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
(I)当
![](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/54b13280d106fe9c3db2069984325b63.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.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)求曲线
在点
处的切线方程;
(2)若函数
有两个零点
.求实数a的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca20bb0b4a93bb1771eff02239e549f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae74c724114bfeff024dd7b79f5edc.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
解题方法
【推荐1】已知两个函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d8c257a93e65d95d12e85aeea02b69.png)
(Ⅰ)当
时,求
在区间
上的最大值;
(Ⅱ)求证:对任意
,不等式
都成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6943b771ed5edcfe6a1759e043c360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d8c257a93e65d95d12e85aeea02b69.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaca9c1dac608a386df1848e8459ce9d.png)
(Ⅱ)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599b100243599b6dc57c333a829c129f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5416f5cb559e69a2df6d819de51aba2f.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】已知函数
.
(1)求函数
的单调区间;
(2)求证
时,不等式
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb727c12898baef8941abfb6330a6ce8.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c67a7e28dba059006021a2e2105f538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8d4d6552c71a19ef2806fa5c78bd35.png)
您最近一年使用:0次