名校
解题方法
1 . 已知椭圆
的上顶点为P,右顶点为
,其中
的面积为1(
为原点),椭圆
的离心率为
.
(1)求椭圆
的方程;
(2)若不经过点
的直线
与椭圆
交于
两点,且直线
与直线
斜率之和为2,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
解题方法
2 . 如图,在四棱锥
中,
平面
,
,
,
,
,
为
的中点,则下列各选项正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/5/e2869cda-aa83-4dbb-b795-88faef4c6104.png?resizew=162)
![](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/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c4340dcffb0783d118a587e5352a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4065d2026acce91df7b8041e16890da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/5/e2869cda-aa83-4dbb-b795-88faef4c6104.png?resizew=162)
A.![]() |
B.异面直线![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.点![]() ![]() ![]() |
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名校
3 . 荀子曰:“故不积跬步,无以至千里;不积小流,无以成江海.”这句话阐述了做事情不一点一点积累,就永远无法达成目标的哲理.由此可得,“积跬步”是“至千里”的__________ 条件.(填条件关系,例如充分不必要条件、充要条件等等.)
您最近一年使用:0次
2023-08-09更新
|
454次组卷
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4卷引用:山西省运城市景胜学校(西校区)2023-2024学年高一上学期9月月考数学试题(B卷)
山西省运城市景胜学校(西校区)2023-2024学年高一上学期9月月考数学试题(B卷)云南省曲靖市师宗县平高中学2022-2023学年高一上学期第三次考试数学试题(已下线)第一章 集合与常用逻辑用语(章末测试B卷)-同步精品课堂(人教A版2019必修第一册)广东省揭阳市惠来县第一中学2023-2024学年高一上学期第一次月考数学试题
4 . 在如图所示的多面体中,四边形
为正方形,
四点共面,且
和
均为等腰直角三角形,
,平面
平面
,
.
(1)求证:直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
平面
;
(2)求平面
与平面
夹角的余弦值;
(3)若点
在直线
上,求直线
与平面
所成角的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65326a1ec45788dd80ce42f2ffde7463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa28e190f3bc96fd0a385471d123a46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ec3f44cd7f4689920e5df628177737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/10/f8b7aefb-5ee5-43ff-a2c1-fac7c8a7b46d.png?resizew=133)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa3254460ecbacecb3e57c5dce227f4.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/603c7e98deecdba0cf3773757a9b8304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9efe66d99f813c6b1387392186822bb.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
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名校
5 . 已知全集
,非空集合
,
.
(1)当
时,求
;
(2)命题
,命题
,若q是p的必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a57eb08cfad83808a9774a19e8dc9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae72fa5b7a8bb88cc902e72de1b28dd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1effe079f09633c05c5b97a0b1705422.png)
(2)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bfe9f9cb46771b219db1932e335053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1a3fcc1e37cf582bf6cf8f457160d3.png)
您最近一年使用:0次
2023-08-08更新
|
1038次组卷
|
7卷引用:山西省运城市景胜中学2023-2024学年高一上学期10月月考数学试题(A卷)
解题方法
6 . 焦点在x轴上的椭圆
焦距为6,两个焦点为
,
,弦AB过点
,则
的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff168ae0afbec3581aee09f409c3dd8e.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
您最近一年使用:0次
2023-03-13更新
|
574次组卷
|
3卷引用:辽宁省重点高中沈阳市郊联体2022-2023学年高二上学期期末考试数学试题
名校
解题方法
7 . 如图,在三棱锥
中,侧面
是等边三角形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/a604ae3d-d01c-4efd-b976-b688e0402730.png?resizew=147)
(1)证明:平面
平面
;
(2)若
,则在棱
上是否存在动点
,使得平面
与平面
的夹角为
?若存在,试确定点
的位置;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4b8c6788bd10b93445b19339114827.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/a604ae3d-d01c-4efd-b976-b688e0402730.png?resizew=147)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f393a0ff5f01a41e1f4c9cfd723adeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2730b513bd3359c3dfe6567e04f5ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2023-03-04更新
|
1176次组卷
|
5卷引用:山东省临沂市2022-2023学年高二下学期期末数学试题
山东省临沂市2022-2023学年高二下学期期末数学试题山西省运城市康杰中学2022-2023学年高二下学期3月月考数学试题四川省绵阳南山中学2022-2023学年高三下学期三诊理科数学模拟(二)试题山东省泰安第二中学2023-2024学年高二上学期12月月考数学试题(已下线)单元高难问题01探索性问题(各大名校30题专项训练)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)
解题方法
8 . 已知平面
的一个法向量为
,点
在平面
内,则点
到平面
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e07eda74ceb7349ad0383e868e3353f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c025c0eaf4e0effacf68cf174f733cd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d5ee1e1d1a58422d55013e3802aab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2023-02-16更新
|
512次组卷
|
3卷引用:山西省运城市2023-2024学年高二上学期期末调研测试数学试题
9 . 已知抛物线
,其上一点
到焦点
的距离为
.
(1)求
的标准方程;
(2)若直线
与抛物线
交于
、
两点,且以
为直径的圆与
轴相切,求该圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5975ba4e093e3eed64434596d945d4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738053bd0217fad1657515ea93464471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54623bccef254857ad663fe6d18f320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-02-16更新
|
186次组卷
|
2卷引用:山西省运城市2022-2023学年高二上学期期末数学试题
10 . 已知
,
是双曲线
的左右焦点,过
的斜率存在且不为0的直线l与双曲线交于A,B两点,P是AB的中点,O为坐标原点,则下列说法正确的是( )
![](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/49879aa7378c9728fe508df81ac00ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
A.双曲线的渐近线方程为![]() | B.双曲线的焦距为![]() |
C.若![]() ![]() | D.OP与AB的斜率满足![]() |
您最近一年使用:0次
2023-02-16更新
|
216次组卷
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2卷引用:山西省运城市2022-2023学年高二上学期期末数学试题