1 . 已知函数
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09744520f5c31d176a1a232a3cd388d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328c5a000984b1fa64c9f81f5875edf4.png)
您最近一年使用:0次
2 . 设
是函数
的导函数,若对于任意的实数x,都有
,给出下列命题:①
是定义域上的增函数;②
;③
的最小值为
;④函数
恰有1个零点.其中正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceec72ad249f0ef8750d12a473148688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2c1b94d085032398ba2a3473c52edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2356758a542b0808ef040354354228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec887a5238c1ec5e48fad4076282b75.png)
您最近一年使用:0次
解题方法
3 . 已知
是定义在
上的增函数,若对于任意的
,均有
成立,且
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbf98e40f2f23810467a5c599ea62c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836fcad6a6fec95c876177e58d1a916b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c81a0bb9174e7784a21e87cc0e07253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d444f3e2aeefc58fdab999c90517189.png)
您最近一年使用:0次
解题方法
4 . 将四棱锥
沿棱展开为平面图形,如图所示.若
,
,
,
,
,
,则在展开图中,
两点之间的距离![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9214112843303e45a4d9dc20507ed1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e07a099bf87e471b94bc97f0249daf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a5b4d376ae0d7648d97b79be0b65d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d829c51c819076d094facd9dffe2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b7efcc776e3479d01484cd468c6894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa5088fedf996af3d7c50a39bdaae73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be94b5ac27724cd0e43541759203784e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0698ef3a8f862a82245d97691eba628f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9214112843303e45a4d9dc20507ed1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/c6cb2c6f-7ab3-445d-8449-1c3850cd7f7f.png?resizew=171)
您最近一年使用:0次
5 . 已知抛物线
,斜率为
的直线与抛物线相交于
,
两点,与抛物线的准线相交于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b33e0c12611a356e7cd3affe547b0ea.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6752450db389461c0eded0bda18b5c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85c591c037bbc6c542ecfeafdaee359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bd1817240160a0b599597f17850539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b33e0c12611a356e7cd3affe547b0ea.png)
您最近一年使用:0次
解题方法
6 . 已知
,
,若
是
的必要不充分条件,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c00885e042279a836aa49c2a6e1e974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f09ce9006c35a3c9c46aa62a2c3fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 已知直线
与曲线
有且只有两个公共点
,其中
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ff8f8fbe24745a116936189b466fe8.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b8c3e0858c1e327b4641d8cf3b77b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ff8f8fbe24745a116936189b466fe8.png)
您最近一年使用:0次
2024-02-10更新
|
415次组卷
|
3卷引用:中原名校2022年高三一轮复习检测联考卷数学(文)试题
中原名校2022年高三一轮复习检测联考卷数学(文)试题(已下线)2.4导数的四则运算法则(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)宁夏银川市第二中学2024届高三第一次模拟考试数学(理)试题
名校
解题方法
8 . 在双曲线的右支上存在点A,使得点A与双曲线的左、右焦点
形成的三角形的内切圆
的半径为
,若
的重心
满足
//
.则双曲线
的离心率为
您最近一年使用:0次
2023-12-13更新
|
339次组卷
|
2卷引用:河南省信阳市浉河区信阳高级中学2022-2023学年高二上学期期末数学(理)试题
名校
解题方法
9 . 某社团有100名社员,他们至少参加了A,B,C三项活动中的一项.得知参加A活动的有51人,参加B活动的有60人,参加C活动的有50人,数据如图,则图中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
您最近一年使用:0次
2023-11-27更新
|
123次组卷
|
6卷引用:河南省叶县高级中学2022-2023学年高一上学期9月月考数学试题
名校
10 . 首项为1的等比数列
中,
,
,
成等差数列,则公比![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a37f1b45e929b42044626edb63681fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b2667a6c91b720ca9b42d092c776cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
您最近一年使用:0次
2023-11-23更新
|
1258次组卷
|
7卷引用:河南省体育中学2022-2023学年高二上学期期中数学试题
河南省体育中学2022-2023学年高二上学期期中数学试题北京市顺义区第一中学2022-2023学年高二下学期6月月考数学试题新疆乌鲁木齐市第三十一中学2020-2021学年高一下学期期末考试数学试题北京市石景山区2023届高三上学期期末数学试题北京市汇文中学2023-2024学年高三上学期期中考试数学试题(已下线)考点7 等差、等比数列的联姻 2024届高考数学考点总动员【练】(已下线)模块3 专题3 第2套 小题入门夯实练【高二人教B】