1 . 直角梯形ABCD中,
,
,
为CD的中点,BE与AC交于点
.
表示
;
(2)设
,求实数
的值;
(3)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022de79ede2913c2810bad75d55e1c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.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/318d84e297b8c77b0ba604436a0266a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a112e9728d7b560199765c815f69.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015756e8dd84a004652163864e639d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7652fd5598a9eaa011726784cae56bc8.png)
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名校
2 . 设
是三个不同平面,且
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad6e7a4c010074d364c686124cbf664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a63f6aa604e3d7fc7ae8c7b587069a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.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
昨日更新
|
275次组卷
|
3卷引用:浙江省杭州市浙里特色联盟2023-2024学年高一下学期4月期中联考数学试题
浙江省杭州市浙里特色联盟2023-2024学年高一下学期4月期中联考数学试题天津市新华中学2023-2024学年高一下学期随堂练习(2)(月考)数学试卷(已下线)核心考点9 集合与简易逻辑(一轮复习) A基础卷 (高二期末考试必考的10大核心考点)
3 . (1)求方程
的根,并判断它们是否共轭;
(2)若复数满足
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9075fb6184add4c2b3be66bab48ec5.png)
(2)若复数满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ba7c0f1fc30151d18a2e337951dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6371658485ad1afc0d054c1b5e70ee5f.png)
您最近一年使用:0次
解题方法
4 . 已知复数
,
为虚数单位.
(1)求
;
(2)若复数
是关于
的方程
的一个根,求实数
的值;
(3)若复数
满足
,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5e197fb08e9b154d752e67b4c886f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43e49552a5099a8b2a442247c65a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(3)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2bc98b171afa0261e90bc1440d3ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ff55376d53a3ce2a4d5263da876d30.png)
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解题方法
5 . 如图,棱长为2的正方体
中,
为棱
的中点,
为正方形
内一个动点(包括边界),且
∥平面
,则下列说法正确的有( )
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a73120cd0988eb4a63436e7a4b9470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc725182c2fd1413319fea35b95c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
A.记![]() ![]() ![]() ![]() ![]() ![]() |
B.动点![]() ![]() |
C.三棱锥![]() ![]() |
D.当三棱锥![]() ![]() |
您最近一年使用:0次
解题方法
6 . 在
中,点
在边
上,
,
,
,
.
(1)求
的模;
(2)求向量
与
夹角的余弦值;
(3)若点
在边
上,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db71f8baf990f58639211734ce1703a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42083f00cd68320e4e0275400c139551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d18d12e68fc99c6fb2cde02940559b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471ac0f42d01c6d6e094b63628586e4d.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471ac0f42d01c6d6e094b63628586e4d.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02f5a9fe84e87ba1080438064a69a7a.png)
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解题方法
7 . 已知非零向量
,以下命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
8 . 集合
,集合
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c59bb72db4f5991930f9a7d6af5c95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c116bc44e54f0107cf012103ee5387b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 若
,
,且
,则下列不等式一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb78d20cf8bb76cd3cbe6275ffa4053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1de5fcd3122443699a9f574a8396b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574b3c0cdd4e1c6f3c77d43dc7e0603f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知正三角形ABC的边长为1,P是平面ABC上一点,若
,则PA的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf113a5c58043d432a6ed0c41f1d07d7.png)
您最近一年使用:0次