名校
解题方法
1 . 已知复数
,则
的模为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c1b7b65b159c8a2a1c5b2a7877cf78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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名校
2 . “若
,则
是函数
的极值点,因为
中,
且
,所以0是
的极值点.”在此“三段论”中,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c6f9433a60d8e7e1de5d5792fe8f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfdccf88b4dd13ddcf13373b71c5034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767f895bf2d8d1211256a2fbaab4feca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4fd93616adce512065c577438eb739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfdccf88b4dd13ddcf13373b71c5034.png)
A.大前提错误 | B.小前提错误 | C.推理过程错误 | D.大、小前提错误 |
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解题方法
3 . 已知函数
,
,
,若对任意
,不等式
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ff29b6bf78924a2168bffb0160c335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e2364b2179201c1c9acbc31b6a9a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9341fa93eb48bc012a4e7f524f3554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43920f5171ed31db2520ef00e4c5fc24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
为虚数单位,复数
是纯虚数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b38e3448638cbddf8c5914c4f0ba0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8099ecf9258e22286233b79f36f5c086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-01更新
|
0次组卷
|
3卷引用:2017届广西陆川县中学高三下学期知识竞赛文数试卷
名校
5 . 设函数
,其中
是函数
的导数.
(1)求
的单调区间;
(2)对于
,不等式
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8410b8a0560e19efd2b0915534cf0871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7994bbcf39f4dda34e877b21af71f103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23ba69ad98d5b369f19834a23566df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3804d32cb58da2778c498b9f714e350e.png)
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名校
解题方法
6 . 已知函数
(
)在定义域内仅有唯一零点.
(1)若对
,不等式
恒成立,求实数
的最大值;
(2)设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
,对于
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb00598a5e27cbe8df206e536c3fb56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c9ca15de80717300c0518cd82b561cf.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6a8984aa398bf767ccd9a601d77983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7620c5d02684cad4b4c40124d93afb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594cc7d59bcf7c05f5e181556cc3cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad2901785a62e1e541b4b765e898960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626e763ce41f8980ec3243173bedf44b.png)
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7 . 已知函数
的图像在点
处的切线与直线
垂直(
是自然对数的底数),函数
满足
,若关于
的方程
(
,
,且
)在区间
上恰有3个不同的实数解,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4e953e182d507c3e0b69e6e8625acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052bd82cb34a8a29c390e08edbb9e216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e4578e902169f3597324d19cc521af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40940b4fd4d0a4c2aa886bc70ec1c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dc55b626a96f3f54822949dc2ffffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b546177617866da03b8dce5cbf65e429.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cee1669d34fd83baf49b26615f24c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
为虚数单位,复数
满足
,则复数
对应的点位于复平面内的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc695e72183682da0bcba983d0db5e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
13-14高二下·河南许昌·阶段练习
名校
解题方法
9 . 设定义在
上的可导函数
的导函数
的图像如图所示,则
的极值点的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b212aa2f800bf3c8993249a4c641b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2017-04-01更新
|
79次组卷
|
4卷引用:广西陆川县中学2016-2017学年高二下学期知识竞赛数学(理)试题
广西陆川县中学2016-2017学年高二下学期知识竞赛数学(理)试题(已下线)2013-2014学年河南长葛第三实验高中高二下学期第一次考试理数学卷2014-2015学年安徽省涡阳县四中高二下学期第二次质检理科数学试卷江西省宜春市丰城市东煌学校2023-2024学年高二下学期4月期中考试数学试题
名校
解题方法
10 . 已知函数
.
(Ⅰ)当
时,求曲线
在
处的切线方程;
(Ⅱ)设函数
,求函数
的单调区间;
(Ⅲ)若
在
(e=2.71828…)上存在一点x0,使得
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c370eaabb30e90a2886accb77b769e2.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(Ⅱ)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3531c5730f86326a2efe23a0e91a6c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/507c3f497a7633fca2b431d785375624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47e734b17201fe992be7775714e9558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b9bfb5c6f9dbc1dc0727c8afeaef19.png)
您最近一年使用:0次
2016-12-03更新
|
537次组卷
|
2卷引用:广西陆川县中学2016-2017学年高二下学期知识竞赛数学(理)试题