解题方法
1 . 已知复数z满足
,且
,则复数z表示的轨迹长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc51c6d23ba2be5c9e0b35e5e4fdf065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b4941fb4e33e741d71ef3da03a3932.png)
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2 . 已知复数
的虚部不为零,同时满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2010a2a275043202d038e64f18846df6.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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解题方法
3 . 已知复数
,其中
.
(1)设
,若
是纯虚数,求实数
的值;
(2)设
,分别记复数
、
在复平面上对应的点为
、
,求
与
的夹角的余弦值以及
在
上的投影向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c0fda5d04e27796f64c5b3a09daa58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c24ecf9e59082e563372b12981d03fe.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489cf13d8699a2e17365cd320c03cfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2f01a4884d79cb797b15232e044a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.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/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
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名校
解题方法
4 . 已知三个复数
,
,
,且
,
,
,
所对应的向量
,
满足
;则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db439eae71afd7b462a07c61d3861330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb7982e6e8af1887c360ac901143840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1640d3fff861f45c5eb4019943b000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342546266d9cfe028e7f471b96e92212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17a57d4e598f772b9cbebd54d153289.png)
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今日更新
|
318次组卷
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3卷引用:四川省平昌中学2023-2024学年高一下学期第二次月考数学试题
四川省平昌中学2023-2024学年高一下学期第二次月考数学试题山东省潍坊市部分学校2023-2024学年高一下学期第二次月考数学试题(已下线)云南省大理市2023-2024学年高一下学期6月质量检测数学试题
名校
5 . 复数
满足
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d6a6098570ac0ec5df5a1b7c6994e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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6 . 已知复数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc550431f2efb59d87298bb0c2f34061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
真题
7 . 已知虚数
,其实部为1,且
,则实数
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a2f912dba0e17b3b87244e131e4b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 欧拉公式
(其中i为虚数单位,
)是由瑞士著名数学家欧拉创立的,该公式将指数函数的定义域扩大到复数,建立了三角函数与指数函数的关联,在复变函数论里占有非常重要的地位.被誉为数学中的“天桥”.依据欧拉公式,下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83fbbc5fbdc4887691d675a14691fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388d3d213a231cccf854a29eef611d01.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
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9 . 已知复数
满足
,
的虚部为2,
在复平面上所对应的点
在第一象限.
(1)求
;
(2)若
,
在复平面上的对应点分别为
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f32c241a1b97713333e7e8f0962503f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ea3cc01ce7266cdf0fd73fd50d23c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd734caf3253274b76d59f6359bc51e0.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/40bcf5c0ccfc3f1a40c4430246edf4c8.png)
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10 . 已知复数
(
,
,且
),且
是实数.
(1)求
的值;
(2)求
的取值范围;
(3)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b011f69dfc5262a3d82f64676739b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea271449079f5c1599f6199c611e1995.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f447f2b9da66341b1acae748708788.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3882a83734b2a39d4e7a26a12d1d9c.png)
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