名校
解题方法
1 . 现有A,B两个不透明盒子,都装有m个红球和m个白球,这些球的大小、形状、质地完全相同.
(1)若
,甲、乙、丙依次从A盒中不放回的摸出一球,设X表示三人摸出的白球个数之和,求X的分布列与数学期望;
(2)若
,从A、B两个盒子中各任取一个球交换放入另一个盒子中,
次这样的操作后,记A盒子中红球的个数为
,求:
(i)
的概率;
(ii)
的分布列.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65981f597cea11fcebe987d42e0e97de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2e776ad6950e993ce1e4430ab36255.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d0f3799612b81e85b87241ec8eee68.png)
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2 . 已知三棱锥
三条侧棱
,
,
两两互相垂直,且
,
,
分别为该三棱锥的内切球和外接球上的动点,则线段
的长度的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f65a7b230807b683d18bb7415473de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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解题方法
3 . 已知
,函数
恒成立,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956bbc2b19602b1fb455f546f2d7d5d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9ed06af8ff5425bb6193c1d105fadb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849b8f5976d59dca2e6926c3c048d00.png)
(1)求曲线
在点
处的切线方程;
(2)求证:函数
的图象位于直线
的下方;
(3)若函数
在区间
上无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849b8f5976d59dca2e6926c3c048d00.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04adfa887e965fe283aa9661f2ac8def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-04-24更新
|
433次组卷
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5卷引用:湖南省衡阳市第一中学2024年高二下学期期中考试数学试卷
湖南省衡阳市第一中学2024年高二下学期期中考试数学试卷上海市松江二中2023-2024学年高二下学期期中数学试卷(已下线)专题3 导数与函数的零点(方程的根)【讲】云南省玉溪第一中学2023-2024学年高二下学期第二次月考数学试题(已下线)专题05导数及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)
名校
解题方法
5 . 已知函数
图象如图1所示,A,B分别为图象的最高点和最低点,过A,B作x轴的垂线,分别交x轴于
,点C为该部分图象与x轴的交点,
与y轴的交点为
,此时
.将绘有该图象的纸片沿x轴折成
的二面角
,如图2所示,折叠后
,则下列四个结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888dcf2660bb3803649ba8966129a77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77993759b8615ef0b42cb56ef027ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312f91b78abb3c06d747589ffa9209d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d7e95f2c5bf403b912183e162887b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068882b775725e852b7817740705ae38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529b4836786aca156de325464ea2ecd9.png)
A.![]() |
B.![]() ![]() |
C.在图2中,![]() ![]() ![]() |
D.在图2中,若![]() ![]() ![]() ![]() ![]() |
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6 . 已知函数
.
(1)讨论
的单调性;
(2)若
恒成立,求
的取值集合;
(3)若存在
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57fb6e0db82c11dbf6d4a022b12dcbd4.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb948b7736245b30c44ef9270da0f88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a78f37a26bad9bcd4165fedc05ce56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5卷引用:湖南省衡阳县三校联考2023-2024学年高二下学期4月月考数学试题
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解题方法
7 . 已知函数
没有极值点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de066d4f044a07c8de46eef5a5a95206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e969be87b3752a1203f4e321911d1d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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8 . 已知以下事实:反比例函数
(
)的图象是双曲线,两条坐标轴是其两条渐近线.
(1)(ⅰ)直接写出函数
的图象
的实轴长;
(ⅱ)将曲线
绕原点顺时针转
,得到曲线
,直接写出曲线
的方程.
(2)已知点
是曲线
的左顶点.圆
:
(
)与直线
:
交于
、
两点,直线
、
分别与双曲线
交于
、
两点.试问:点A到直线
的距离是否存在最大值?若存在,求出此最大值以及此时
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
(1)(ⅰ)直接写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c190daf6e3d1cdd5019c3f50a4f842e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
(ⅱ)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a7e0e5238148676a584b1748e04d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff2f5d89e535bab877ad226f086742a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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2024-03-21更新
|
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5卷引用:湖南省衡阳市第八中学2024届高三下学期高考适应性练习卷(三)数学试题
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解题方法
9 . 日常生活中植物寿命的统计规律常体现出分布的无记忆性.假设在一定的培养环境下,一种植物的寿命是取值为正整数的随机变量
,根据统计数据,它近似满足如下规律:对任意正整数
,寿命恰好为
的植物在所有寿命不小于
的植物中的占比为
.记“一株植物的寿命为
”为事件
,“一株植物的寿命不小于
”为事件
.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28555fa2f3a09261cb4e0305d390145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
A.![]() |
B.![]() |
C.设![]() ![]() |
D.设![]() ![]() |
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4卷引用:湖南省衡阳市第八中学2024届高三下学期高考适应性练习数学试卷
10 . 若函数
在
上单调递增,则a和b的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7a98b117e51c5fa3028888e37fd515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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