名校
解题方法
1 . 已知
,则满足
的实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154314c8da16ba2a495ed26c21a8cadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289a101b9f2ba0a5cb4b3537f28ec369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-29更新
|
947次组卷
|
3卷引用:四川省2023-2024学年高三下学期诊断性考试数学(理)试题
名校
2 . 已知椭圆
的左、右焦点分别为
,离心率为
,过
且垂直于x轴的直线交椭圆于点
,且
.
(1)求椭圆C的标准方程;
(2)过
的直线l交椭圆C于
两点,若
内切圆的周长为
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192a35f0603f57bcc6ec1e75927ba916.png)
(1)求椭圆C的标准方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57d64df9b332d8496e58eafb7e2050e.png)
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解题方法
3 . 如图,在几何体
中,
平面
为
上的点,
是
的中点,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/a164e176-08b2-43d1-8c35-b6a414a987eb.png?resizew=157)
(1)若
,求证:
平面
;
(2)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd654221ab95fe241d9e0202443f2609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d62dc584a772c35e4843396151d77f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af9b8659fc0f283a3a8ec62d6e30bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/a164e176-08b2-43d1-8c35-b6a414a987eb.png?resizew=157)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8e8f8b75e657565fe628d869b0bde3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d53d5c96de34fcf95794e51c2761b671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713da7dce54965bbef060ad2b507e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d90f940f5693b22ddf2e7c761887d8.png)
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名校
解题方法
4 . 已知抛物线
的焦点为
, 其上有两点
, 若
的中点为
, 满足
的斜率等于1,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223cf57be5499bab6d7bf063f1ef1dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530b46eaf82365b2261726e663970a91.png)
A.7 | B.8 | C.![]() | D.10 |
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名校
解题方法
5 . 半径为R的光滑半球形碗中放置着4个半径为r的质量相同的小球,且小球的球心在同一水平面上,今将另一个完全相同的小球至于其上方,若小球不滑动,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff3606c7bf728b4f539261461cde677.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知
,
两点到直线
:
的距离相等,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d79c945b36a1b03f15be06caf91a798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.6 | C.![]() | D.4或6 |
您最近一年使用:0次
2024-02-27更新
|
379次组卷
|
2卷引用:四川省绵阳市2023-2024学年高二上学期期末教学质量测试数学试卷
7 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f88cd0bed0f601bdf408f61caf5365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a71e73f7b41ec6639b849c399d12963.png)
A.2i | B.4i | C.1 | D.2 |
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8 . 若四个幂函数
在同一坐标系中的部分图象如图,则
的大小关系正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/2f73bebb-41bb-4d56-9a49-592418453b0e.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dee3819a3a4281046fe646cfd9b9925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c27a9af7db04a611063978a7990745e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/22/2f73bebb-41bb-4d56-9a49-592418453b0e.png?resizew=199)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87186eff5f1e466553734bbf6b361a94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 化简求值:
(1)
;
(2)已知:
,求
的值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38291ca3ae7fea01bdd9a8825d4aaac.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f607d7d7cfd8512e7be12d35537684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1216dc58baf0a0483b3e5564fa7487a1.png)
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