名校
1 . 已知双曲线
,F为其右焦点,过F点的直线与双曲线相交于A,B两点,若
,则这样的直线l的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c465114dc2665d74246240b1d4d26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
A.1条 | B.2条 | C.3条 | D.4条 |
您最近一年使用:0次
名校
解题方法
2 . 如图所示,正方体
的棱长为1,
、
、
分别为
、
、
的中点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/3b260ac8-9678-41e5-9b71-df3841b30498.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/3b260ac8-9678-41e5-9b71-df3841b30498.png?resizew=166)
A.直线![]() ![]() ![]() | B.点![]() ![]() ![]() |
C.直线![]() ![]() | D.三棱锥![]() ![]() |
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2023-12-24更新
|
584次组卷
|
3卷引用:湖北省云学名校联盟2023-2024学年高二上学期期中联考数学试题
解题方法
3 . 已知集合
,
.
(1)若
,求实数m的取值范围;
(2)命题q:
,
是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a27ff28207bd10384f32dd15964b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c83643d7d0a51eccba7fc7c2895d106.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
(2)命题q:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375fae50ad1b3d14c011673110256fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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4 . 已知空间中三点
,
,
.设
,
.
(1)求
和
;
(2)若
与
互相垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe15cbb36e4dc28106343ffcbe7cc65d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0378a859d622e2fdb8bd728b49e52c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ffba0bab7e115d89e400abd68770ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d458bed4c0f3e91667eb8705c9c90d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415c6484536cc61efd5529fcb0b15eb9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67a5673958e175b00200a75e645c73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afa3c16cbfc294580a7c90884ff4dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9441846da0868582298cece138bec3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-12-20更新
|
348次组卷
|
2卷引用:湖北省武汉市新洲区部分学校2023-2024学年高二上学期期中质量检测数学试题
名校
解题方法
5 . 已知椭圆
:
(
)的焦距为4,且经过点
,过点
且斜率为
的直线
与
轴相交于点
,与椭圆
相交于
,
两点.
(1)求椭圆
的离心率;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93db5cdb21991957dbc89658018f5e24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-12-20更新
|
210次组卷
|
2卷引用:湖北省黄冈市部分高中2023-2024学年高二上学期阶段性教学质量监测数学试题
6 . 在三棱柱
中,
平面
,已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/9ab9bdd1-87ff-487a-babc-6b8b25963ff5.png?resizew=155)
(1)求证:
平面
;
(2)
在棱
不包含端点
上,且
,求
和平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced9b5d091715d2a64fdaf618d4cceb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea389833fcdec6c29a9ea8fb7ad97bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/9ab9bdd1-87ff-487a-babc-6b8b25963ff5.png?resizew=155)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ad7c180d6d084ecb25f23cb6fe9b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d6513e454881a0b27acb98430617ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7fda523ada8989e466d797b6fcd2e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bcb3226e013650b7d8827c31dd41d0.png)
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7 . 已知命题
,
,命题
和
是方程
的两个实根,不等式
对任意实数
恒成立;
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题
有且只有一个为真命题,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f746eb8efc0dc5b8f48f7b4c0ebeca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f5a883bfdfdb1ff27434e4686d7d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e04d2761ba25e9b3db9f87865b89d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af035663f518ab9d750a430f2308537e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625413476c10d9fe3ea23cd48b255048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d0b997c1c15b764383e9184b78ca64.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
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名校
解题方法
8 . “不等式
在R上恒成立”的一个必要不充分条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456a94d024d8842462b95181e3d8e498.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-12-18更新
|
918次组卷
|
4卷引用:湖北省孝感市大悟一中等学校2023-2024学年高一上学期11月期中联考数学试题
名校
解题方法
9 . 若
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3e65a39969d66379aac076f4dc5669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2023-12-18更新
|
1551次组卷
|
5卷引用:湖北省部分高中联考协作体2023-2024学年高三上学期期中考试数学试卷
解题方法
10 . 在长方体
中,
,
,
,以
为原点,分别以
,
,
的方向为
轴、
轴、
轴正方向建立空间直角坐标系,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf42e1391da5b2a4d692140b9c95242e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a754ad0537577221e7be168127d7cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64464499f7e3330250ee06b939a5e4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() |
B.异面直线![]() ![]() ![]() |
C.平面![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次