名校
1 . 设函数
,其中
.
(1)若
,求不等式
的解集;
(2)求证:
,函数
有三个零点
,
,
,且
,
,
成等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cbc0eab4122a84a32cc567933095f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ca5670a2c9349f5af7a854c1134488.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/18875101c5682fdb50976ae6d958bb7f.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
您最近一年使用:0次
2023-08-18更新
|
322次组卷
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3卷引用:重庆市石柱回龙中学校2024届高三上学期第一次月考数学试题
名校
2 . 如图,在四棱锥
中,平面
平面
,且
是边长为2的等边三角形,四边形
是矩形,
,M为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/a8242745-ab1c-4bd5-b76e-96eb7800c614.png?resizew=158)
(1)求证:
;
(2)求直线
与平面
所成角的正弦值;
(3)求点D到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/a8242745-ab1c-4bd5-b76e-96eb7800c614.png?resizew=158)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbcc91180cb7cc891f78dd3b1516e697.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa23fa14f624ad8212bda55d321362f.png)
(3)求点D到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa23fa14f624ad8212bda55d321362f.png)
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2022-11-06更新
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293次组卷
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2卷引用:重庆市乌江新高考协作体2023-2024学年高二上学期期末学业质量联合调研抽测数学试题
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解题方法
3 . 已知函数
.
(1)当
时,先用定义法证明函数
在
上单调递增,再求函数
在
上的最小值;
(2)若对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b59dc951a5f0a79b2d3a4ea980a57e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 已知抛物线
的焦点为
是抛物线上一点且三角形MOF的面积为
(其中O为坐标原点),不过点M的直线l与抛物线C交于P,Q两点,且以PQ为直径的圆经过点M,过点M作
交PQ于点N.
(1)求抛物线C的方程;
(2)求证直线PQ恒过定点,并求出点N的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68c78768c0b779356a139a4dad1e7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8c957b71beace01e35905eccbca90d.png)
(1)求抛物线C的方程;
(2)求证直线PQ恒过定点,并求出点N的轨迹方程.
您最近一年使用:0次
2021-10-05更新
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4卷引用:重庆市乌江新高考协作体2023-2024学年高二上学期期末学业质量联合调研抽测数学试题
重庆市乌江新高考协作体2023-2024学年高二上学期期末学业质量联合调研抽测数学试题陕西省咸阳市2021-2022学年高三上学期开学摸底考试文科数学试题(已下线)一轮复习大题专练69—抛物线3(定点问题2)—2022届高三数学一轮复习贵州省兴义市第八中学2024届高三上学期第一次月考数学试题
名校
5 . 图1是由正三角形
和正方形
组成的一个平面图形,将其沿
折起使得平面
底面
,连结
、
,如图2.
![](https://img.xkw.com/dksih/QBM/2020/8/23/2534261437702144/2542433494884352/STEM/d1bb9e02-cc46-4f1d-8255-3cd11ee0d5c8.png)
(1)证明:
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d923a338dd2d2e29336b42574d38448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877582b5387278008d14fe5932622fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://img.xkw.com/dksih/QBM/2020/8/23/2534261437702144/2542433494884352/STEM/d1bb9e02-cc46-4f1d-8255-3cd11ee0d5c8.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2389ee25be6516208b783405add175d.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1820b4304b16daadddbcd5964f13d8ff.png)
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2020-09-04更新
|
188次组卷
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2卷引用:重庆市乌江新高考协作体2023-2024学年高二上学期期末学业质量联合调研抽测数学试题
名校
6 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d85261d3be637095db049a2fed1469.png)
且
是定义域为
的奇函数.
(1)求
的值;
(2)若
,试判断
的单调性(不需证明),并求不等式
恒成立的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d85261d3be637095db049a2fed1469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d74d706d2e4392e25016e9101d07ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f3df8bf24d2c68add3f3de3efc4147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/855c489ea737ee98edc26b961f5da884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-10-13更新
|
258次组卷
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3卷引用:重庆市乌江新高考协作体2023-2024学年高一上学期期中学业质量联合调研抽测数学试题