1 . 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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解题方法
2 . 已知复数
(
为虚数单位).
(1)求
;
(2)若
,其中
,求
的值;
(3)若
,且
是纯虚数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6275aab78ba9acf5242af47407f5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949640658f3eb28025dc5ead55bcdea8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c05c638fa6ec40017a00a29bcc8bad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f844a74a4a9a02d6360b6384ebc4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1842a4178f1de5839194ff3134e13f2f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe3cb7e0694744d1e8a592592931642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dd5edae8097274a8a4fd56bc1b4c59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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2卷引用:湖北省云学名校新高考联盟2023-2024学年高一下学期5月联考数学试题
真题
3 . 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)
您最近一年使用:0次
2024高一下·全国·专题练习
4 . 已知复数
,
,
.
(1)若
为实数,求
的值;
(2)设复数
在复平面内对应的向量分别是
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2e5eabc6f1a836db026ab78e4fd71c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed0e6475b373adeee38a6892fb78d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42947a9ec7c9d436aad88d7ee568445a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a76970598da2e8562f99251b100ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b986f54ac055bbe5ea946087182a4d98.png)
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解题方法
5 . 欧拉公式
(其中
为虚数单位)被誉为最美数学公式.依据欧拉公式,下列选项正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfa007ea5744567c67bebd638bd5cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.复数![]() | B.![]() |
C.复数![]() ![]() | D.![]() ![]() |
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解题方法
6 . 若
是复数,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
A.![]() | B.若![]() ![]() |
C.若![]() ![]() | D.方程![]() |
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解题方法
7 . 已知
是虚数单位,复数
,
.
(1)当复数z为纯虚数时,求m的值;
(2)当复数z在复平面内对应的点在第三象限时,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ed15fe31fe5c9233ecedacd39eb56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)当复数z为纯虚数时,求m的值;
(2)当复数z在复平面内对应的点在第三象限时,求m的取值范围.
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解题方法
8 . 已知复数
.
(1)求
;
(2)若复数
是关于
的实系数方程
的一个根,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221d7825dab10f22007f103286677112.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe708b41ce87fc158edbb43135c14d3d.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/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
名校
9 . 已知
,复数
.
(1)若
是实数,求
的值;
(2)若
对应的点在第一象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db318d49893af7f7ae56cfc60059d4ac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
10 . 已知
是复数,且
为纯虚数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3d52102986641aa6f6ec16d690bc56.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次