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解题方法
1 . 如图,弧AEC是半径为
的半圆,AC为直径,点
为弧AC的中点,点
和点
为线段AD的三等分点,平面AEC外一点
满足
平面
.
;
(2)求点
到平面FED的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b5a90e556da12d63b7f481bd8e874c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee332f9a2d473022aeb62e79cd8af705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe5c17d533c3bd30d6c32cbe94815c.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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解题方法
2 . 若不等式
(其中
)的解集中恰有一个整数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245ad3cdbf4c9e7061fe464e9cd795f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-31更新
|
426次组卷
|
2卷引用:甘肃省兰州第一中学2023-2024学年高二下学期4月期中数学试题
名校
3 . 已知空间直角坐标系中的三点
,
,
.
(1)若
,且
,求向量
的坐标;
(2)已知向量
与
互相垂直,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5e428213f946350934bc876fba5514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daca2df16b221585c93109fd17bc1b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92ecb2412db3b9143c500555c2a0ceb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1fa7538549bf04c02a09ead1745ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2948a7c39b1fbcc70cd94a636a825793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
(2)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215ec17116710e7927ad75ccd88c4e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
4 . 如图所示,平行六面体
中,
.
表示向量
,并求
;
(2)求直线
与直线
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083e5ad385e6a0801801073f1cafadb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68873c59a21b0cd408cdf2b47d51096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccec46f7c4da972fef6e940158628242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33e3af60b6aa94f39bbd04470d2e404.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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5 . 已知函数
,设
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2956ff828b10b12656be61c6d47d7b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5705f129b3f04e8810f607b637547068.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 已知空间中三点
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a323525af54c4ba2ea988930517fbc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2755d7f7751444a6ee6de623bdd836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91df277048cd53cf37906db6e0df96b5.png)
A.![]() ![]() |
B.与向量![]() ![]() |
C.![]() ![]() ![]() |
D.平面![]() ![]() |
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解题方法
7 . 对于函数
,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f53f81bca037a4383c1fab122a3cd3d.png)
A.![]() ![]() ![]() | B.![]() |
C.![]() | D.若![]() ![]() ![]() |
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解题方法
8 . 把一个周长为12cm的长方形围成一个圆柱,当圆柱的体积最大时,该圆柱底面周长与高的比为____________ .
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解题方法
9 . 函数
在区间
上的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3703524479622a2bf73cc4d69bed998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 如图,在直三棱柱
中,
是
的中点,
是
的中点,
是
与
的交点.
与平面
所成角的正弦值;
(2)在线段
上是否存在点
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
平面
?若存在,求出线段
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e50114cea5086012c078e0755175db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4e7552a39c412d882766dbcd7eeb69.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a604466a9c8d10d557b3dfc43b547065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4e7552a39c412d882766dbcd7eeb69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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