名校
解题方法
1 . 已知点P(1,-2)和以点Q为圆心的圆Q:
.
(1)若
为PQ的中点,则求出以PQ为直径的圆
的方程;
(2)设圆Q和圆
相交于A,B两点,则直线PA,PB是圆Q的切线吗?为什么?(需画出草图,但图不占分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5781ce1572bac50ec51f92f2610ee1ea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
(2)设圆Q和圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
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2 . 已知数列
满足
.且
.
(1)证明:
为等差数列,并求数列
的通项公式;
(2)设
为数列
的前n项和,求满足不等式
的最大正整数n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e76a35065ee95d9a308d2b439fc57f4.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d185b833d4c128fdb2916212516abe6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c8f5ddce51588d6d14b2e7b2d7cf1e.png)
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3 . 已知正项数列
满足
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d2b2d4f703cbaa738a7cdfc7129c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a9d9b2ec76724a8354e13ab168193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614fb63a9bcbd403a36f127c8fc1689d.png)
A.![]() | B.1022![]() | C.![]() | D.![]() |
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4 . 如图的形状出现在南宋数学家杨辉所著的《详解九章算法·商功》中,后人称为“三角垛”.“三角垛”最上层有1个球,第二层有3个球,第三层有6个球,….设第
层有
个球,则
=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/54061602-7283-4f33-8350-c201bbeecd29.png?resizew=121)
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2023-01-15更新
|
211次组卷
|
2卷引用:河北省秦皇岛市第一中学2022-2023学年高二上学期期末数学试题
名校
解题方法
5 . 如图,已知直线与抛物线
交于A,B两点,且OA⊥OB,OD⊥AB,交AB于点D,点D的坐标为(4,2).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/98f19dbd-70e2-4321-ac6c-c0a97530788b.png?resizew=137)
(1)求p的值;
(2)求△AOB的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/98f19dbd-70e2-4321-ac6c-c0a97530788b.png?resizew=137)
(1)求p的值;
(2)求△AOB的面积.
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名校
6 . 如图,从椭圆C:
上一点P向x轴作垂线,垂足恰为左焦点F,又点A是椭圆与x轴正半轴的交点,点B是椭圆与y轴正半轴的交点,且AB∥OP,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/5715c7cd-40e3-4a75-ab72-e4d1d5af8a55.png?resizew=189)
(1)求C的方程;
(2)过F且斜率不为0的直线l与C相交于M,N两点,线段MN的中点为E,直线OE与直线
相交于点D,若△MDF为等腰直角三角形,求l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832d0fe4a23174dad8fd86b7c7e728e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/5715c7cd-40e3-4a75-ab72-e4d1d5af8a55.png?resizew=189)
(1)求C的方程;
(2)过F且斜率不为0的直线l与C相交于M,N两点,线段MN的中点为E,直线OE与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
您最近一年使用:0次
名校
解题方法
7 . 已知数列
的前n项和为
且满足
;等差数列
满足
,且
,
,
成等比数列.
(1)求数列
与
的通项公式;
(2)记数列{
}的前n项和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9709f32e6be9c6cb3e882c3051a4d01e.png)
![](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/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bdda5b233a5cff54d8f52c4bad61f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28611b65a967013841a58db914f73eb4.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)记数列{
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215c0a9a273de67b95fbbe22dcd90b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
名校
8 . 如图,在四棱锥中,底面
为正方形,侧面
为等边三角形且垂直于底面
,
,
分别为
,
的中点.
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c568d0ca4910fba8cb12fe3746d740.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bdef2e7a7929ad6190302ab44c46c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745e0525a41fe2e2a7739c75a942290b.png)
您最近一年使用:0次
名校
9 . 已知双曲线
:
(
,
)的左、右焦点为
,
,过点
作双曲线一条渐近线的垂线,垂足为
,且
.
(1)求双曲线
的标准方程;
(2)设双曲线
的左顶点为
,过点
的直线
与双曲线
交于
,
两点,连接
,
分别交于
轴于点
,
,且
,求直线
的方程及
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9adaf169940e900b0c2ed5304de13093.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c441c7e1d4bc397894cc8a6a169e0d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccfff99dd307eb936b5e5263e43ca510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788ea8e57269af8dbab103ed7865c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
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2023-01-14更新
|
431次组卷
|
3卷引用:河北省唐山市第一中学2022-2023学年高二上学期期末数学试题
河北省唐山市第一中学2022-2023学年高二上学期期末数学试题(已下线)第六节 双曲线 第二课时 直线与双曲线的位置关系 B素养提升卷黑龙江省哈尔滨师范大学青冈实验中学校2023-2024学年高二下学期开学考试数学试题
名校
10 . 已知点
为双曲线
:
与椭圆
:
在第一象限的公共点,且椭圆
的两个焦点为
,
,则
( )
![](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/306cb1973334f9f5488a59375b1626a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69335f097c61f3369c67e39bbf8c4a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528118a402198dbf5585b753f4ceffaa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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