1 . 已知数列
,则
是这个数列的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdeccac0b2635a23f63879e8c0d2d8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
A.第6项 | B.第7项 | C.第9项 | D.第11项 |
您最近一年使用:0次
2024-01-21更新
|
337次组卷
|
2卷引用:天津市北辰区2020-2021学年高二上学期期末检测数学试卷
解题方法
2 . 已知
:
及经过点
的直线
.
(1)当
平分
时,求直线
的方程;
(2)当
与
相切时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac5cc668e8073d3ae9eee52652620b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbec2b399dca73cf28e33ec10b7a347f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
3 . 若实数x,y满足
,则
的取值范围是为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49137970108f50350a3211aa0281faaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fe1b6f20cd9115202e23090f1ea9da.png)
您最近一年使用:0次
解题方法
4 . 设双曲线
:
的右焦点为F,点P在C的一条渐近线
上,O为坐标原点,若
,则
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1653c086d557b1845d82c2d4d8231f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d373ef598634c09fd59744f8411d4037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9fe17f36c52e6b424da728124b2ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c71c49dc9a9de1a0221769e4eb8616.png)
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解题方法
5 . 椭圆的长轴长为10,其焦点到椭圆中心的距离为4,则该椭圆的离心率为__________ .
您最近一年使用:0次
6 . 过点
且与直线
平行的直线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0947dc8f5ba116aaf3239d66adc7474.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9213827b4a732bf7b8f92d4fa3c0e502.png)
A.30° | B.60° | C.120° | D.135° |
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8 . 抛物线
的焦点坐标为___________ ,准线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2862bd0afd79c0b5019a8d0ce07a6bb3.png)
您最近一年使用:0次
解题方法
9 . 若直线
与直线
垂直,则实数
的取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f752458b5870d09a72b7d9d19dec3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c250a81bac0bf930dc68060dee6e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.2 | C.![]() | D.10 |
您最近一年使用:0次
名校
解题方法
10 . 如图,在四棱锥
中,
平面
,
,
,
,
,点E为
的中点.
平面
;
(2)求点
到直线
的距离;
(3)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a923784f083b7f4777891afe06b44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063510e3c1fb6a7ccc3b8e3e3c7d660e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
2024-01-19更新
|
1445次组卷
|
6卷引用:天津市北辰区2020-2021学年高二上学期期末检测数学试卷
天津市北辰区2020-2021学年高二上学期期末检测数学试卷浙江省湖州市第二中学2024届高三下学期新高考模拟数学试题(已下线)信息必刷卷05江苏省泰州中学2023-2024学年高二下学期4月月考数学试题(已下线)信息必刷卷04(江苏专用,2024新题型)(已下线)专题11 关键能力与方法问题(解答题16)