1 . 已知复数
,z的共轭复数为
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c18b0b401143f4f21dd94f5e606cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d000382935d9d8f2ad4d55efdfcbe644.png)
A.1 | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2 . 已知
.
(1)求函数
的平行于
的切线方程;
(2)求
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e80c699eabb025fb94e1830822ca9b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-03-12更新
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1859次组卷
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4卷引用:模块一 专题2 《导数在研究函数单调性中的应用》 B提升卷(苏教版)
(已下线)模块一 专题2 《导数在研究函数单调性中的应用》 B提升卷(苏教版) 山东省青岛第五十八中学2023-2024学年高二上学期阶段性测试(第二次月考)数学试卷(已下线)专题2 导数在研究函数单调性中的应用(B)重庆市璧山中学校2023-2024学年高二下学期第一次月考数学试题
3 . 过点
作圆
的切线,则切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483dd3a65702ed0cd7df766300d03b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
您最近一年使用:0次
2024-03-12更新
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422次组卷
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2卷引用:江苏省南京市临江高级中学2023-2024学年高二下学期期初考试数学试卷
4 . 已知
的顶点是
,
,
,则
的外接圆的方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6329198247b9c39bb31f0ce7e08f1f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dece6336ac93855e916fb4c287cd10ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59debad0cd25aec393499db0028f17c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024高二上·江苏·专题练习
解题方法
5 . 如图所示,在四棱锥
中,
是矩形,
平面
,
,
,E是PB上一点,且
,求点E到直线PD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/91708c4508371f08556e76e31c7cb9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5861b1a4a94ec85258132679fb28050.png)
![](https://img.xkw.com/dksih/QBM/2024/2/17/3435093286977536/3450849349033984/STEM/78c3be6c92094f4e86a286a9dfc4afd8.png?resizew=112)
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2024高二上·江苏·专题练习
6 . 已知
,
,
是三个不共面的向量,
,
,
,且
,
,
,
四点共面,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73db31aecdde14e0002f082d9091df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2980a18e4d0a2a795b7983a1a1866db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1821c677712026f8de34fe924b1f52a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b30ac02890469b4716c89e9005e9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a957b6ad6202a90de7da0d61d39f6884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d79639c1de0a711e8747f2535f1395e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2024高二上·江苏·专题练习
7 . 在空间直角坐标系中,设平面
经过点
,平面
的一个法向量为
,
是平面
内任意一点,求
满足的关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9684baf7d6a1296a31621de2cb0fda69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f483b4d1f44f0c8ef5cf129f2545c5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c221d2664017226eb27ac2468fb2e97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
您最近一年使用:0次
名校
解题方法
8 . 设
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a17491898e262bf44270327387e38ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614d136a70b4376c6d42e4ec1e992787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-08更新
|
1257次组卷
|
3卷引用:江苏省镇江市丹阳高级中学2024届高三下学期2月阶段检测数学试题
江苏省镇江市丹阳高级中学2024届高三下学期2月阶段检测数学试题河北省金科大联考2024届高三上学期1月质量检测数学试题(已下线)热点3-1 同角三角函数基本关系、诱导公式与三角恒等变换(8题型+满分技巧+限时检测)
9 . 在平面直角坐标系
中,点
在角
的终边上.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b345fcbad3bce4e0f2f59d017349513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f900c515871948914940c9209a2c1f71.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4697c7c85847f757e3c3b2d587f752.png)
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10 . 已知四面体
中,
为
中点,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a2efd3f26a34c6f7b6277e009836ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b1fe1294cb5b9b8a8762b4a16e920d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.3 | B.2 | C.![]() | D.![]() |
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2024-03-07更新
|
684次组卷
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6卷引用:模块一 专题5 《空间向量运算》(苏教版)