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1 . 已知
,则下列向量中与
平行的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062662f977a0496a3813cf9e63f4d6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
104次组卷
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9卷引用:海南省琼中黎族苗族自治县琼中中学2023-2024学年高二上学期10月月考数学试题
海南省琼中黎族苗族自治县琼中中学2023-2024学年高二上学期10月月考数学试题河南省叶县高级中学2022-2023学年高二上学期9月月考数学试题天津市第二南开学校2022-2023学年高二上学期9月阶段性线上练习数学试题广东省汕尾市陆丰市林啟恩纪念中学2022-2023学年高二上学期第一次段考数学试题黑龙江省大庆市第四中学2022-2023学年高二上学期第一次检测数学试题 河南省项城市第三高级中学2022-2023学年高二上学期第一次调研考试数学试题山西省朔州市怀仁市第一中学校、大地学校高中部2023-2024学年高二上学期第二次月考数学试题云南省昭通市昭通一中教研联盟2023-2024学年高二上学期10月期中质量检测数学试题(B卷)青海省海东市第一中学2023-2024学年高二上学期第一次月考数学试题
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2 . 甲袋中有5个白球、7个红球,乙袋中有4个白球、2个红球,从两个袋中任选一袋,从中任取一球,则取到的球是白球的概率为________ .
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2024-06-08更新
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661次组卷
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2卷引用:海南省文昌中学2023-2024学年高二下学期期中段考数学试题
名校
解题方法
3 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6d9b153cdae44b40c1765fe81e13c8.png)
A.![]() | B.![]() |
C.二项式系数和为256 | D.![]() |
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2024-06-05更新
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536次组卷
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2卷引用:海南省文昌中学2023-2024学年高二下学期期中段考数学试题
名校
解题方法
4 . 设函数
,
.
(1)求
在
上的最值;
(2)若函数
图象恰与函数
图象相切,求实数
的值;
(3)若函数
有两个极值点
,
,设点
,
,证明:
、
两点连线的斜率
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603589540f7897790f99a8d75fd725f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5602d1637fb9dab9ef09ae6030b4ed7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10bb9a8107bd9c4f083578f473b9a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a3f0d7706dd7b38b770656f6937776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210304b08abfee9be4e4d3b01e323a66.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/b387bb66f74a73d9f08c79e77a4df771.png)
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2024-06-04更新
|
235次组卷
|
2卷引用:海南省文昌中学2023-2024学年高二下学期期中段考数学试题
名校
解题方法
5 . 已知函数
在区间
上单调递减,则实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35faaedaa358d1f711d688dfb0080c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea68078761468f2310510e11408d099.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知函数
(
为常数),则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea764080dd9860df23c7022ca914ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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7 . 设数列
的前
项和为
.若对任意的正整数
,总存在正整数
,使得
,则称
是“
数列”.
(1)若
,判断数列
是否是“
数列”;
(2)设
是等差数列,其首项
,公差
,且
是“
数列”,
①求
的值;
②设
为数列
的前
项和,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3693c7c942afef5517a3c18997c878df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10528a2f11fe3d860307b076906aaa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6870c5f54b5f42164c349f150f0b724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b9a7705275fa6679eb106d6b77c7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b93c0a7a990bfd7c5b0af6cbc0f02b.png)
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8 . 已知椭圆
经过点
,且焦距为
.
(1)求椭圆
的方程;
(2)设椭圆
的左、右顶点分别为
、
,点
为椭圆
上异于
、
的动点,设
交直线
于点
,连接
交椭圆
于点
,直线
的斜率分别为
.
①求证:
为定值;
②证明:直线
经过
轴上的定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/706325cc86b99fe9955185aa92a8fcab.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d53a52aebd885294e323ee90c9b5382.png)
②证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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9 . 已知函数
,其中
.
(1)当
时,求
的单调区间;
(2)当
时,函数
在区间
上的最小值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971822ac7125bb76d66139083584263f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a90170d7ef5ff6d1d63517c166f7a9.png)
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10 . 如图,在四棱锥
中,
为正三角形,底面
为直角梯形,
,
、
分别为棱
、
的中点.
平面
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c73478803e31b92aa043da41a942cbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6d349d590db6e3c83a5115e0fa8369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766eb1e19f148e8a3c6374e42c68ef3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
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