(1)证明:当
时,
.
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5646066c397848e77c8e444da823d2ce.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e3727959c931222f1f0df95128e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9354fcf7dedee86fb34d0133d486ce.png)
2023高三·全国·专题练习 查看更多[1]
(已下线)第二篇 函数与导数专题4 不等式 微点9 泰勒展开式
更新时间:2023-04-05 23:58:40
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知数列
,
的通项公式分别为
,
,其中
,试推断
对哪些正整数n成立,证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4b5779873cb3f4366dbfdb983dec81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdff758abaf7eeff93551292116ac863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08282d37de52c546873d450da7731fc.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)讨论函数
的单调性;
(2)若
时,关于
的方程
有唯一解,求
的值;
(3)当
时,证明: 对一切
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17032aa060dadbcb178883bf97821198.png)
(1)讨论函数
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/3c03c50e2fdc4d51bce438e20e66f651.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/92f367bb4a9045eca42660406cdb60a4.png)
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/8aba3c816f45480a9f8c20fd99f19c82.png)
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/402afe0ce7094faaabd81a2543e5e46b.png)
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/1ddc840287de4225afdc60980ff5bdeb.png)
(3)当
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/cb68bff473fd4421a3da4b80d7b64a0c.png)
![](https://img.xkw.com/dksih/QBM/2016/12/9/1579070264819712/1579070265311232/STEM/f9d277ce03144dc58984e8ca11a71e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378c31e72165d4e7e1e0625726dcf4ea.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐3】设函数
.
(1)若函数
为奇函数,求函数
在区间
上的最值;
(2)若函数
在区间
内不单调,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2407c1d348ad4de8f5aad631626ee1.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8f5a301aa707f9d3c60bb6be979b38.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】已知函数
,
的导函数是
.
(1)讨论
的单调性;
(2)若
有两个极值点a,b.
①求
的取值范围;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf93258919a65b15447acf8090284dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cb7d3a7da2dcb2ebc01402735c51da.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐2】(1)设
,求证:
.
(2)已知函数
且
,比较
和
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7561672145e37fe20547e2f24baff6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0617378db3540cc293e8d75ddbc691d9.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa60801a6be9bc25964aed1126473297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次