解题方法
1 . 若复数z满足
,则复数z的虚部是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a9390e8f4a232307b5b2de8f4c1824.png)
A.2 | B.![]() | C.3 | D.![]() |
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解题方法
2 . 设
是关于x的方程
的一个根.
(1)求实数
的值;
(2)求方程的另一个根
及
的值;
(3)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3a7e1ea06b2eb0061ad24605eb7fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a7b78d895784b4af75b962bd40f07.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd5371a6f0f82c65dd22f75f8b807c1.png)
(2)求方程的另一个根
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82359e2d8f541e44c6be90a390f33ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2569dffd93366460c77917c319dfe91c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2656f52df6a3ec066d8e4dd42e3fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbc700288f7c5b256d5b8af5d620fc0.png)
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3 . 已知复数
(i是虚数单位).
(1)求复数z的共轭复数和模;
(2)若
.求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc20ad98791096881cb549c9c1a67ad.png)
(1)求复数z的共轭复数和模;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3318396e120d3214d5a470ddf3fb15c.png)
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4 . 若
(
为虚数单位),其中
是实数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917746b42ba76dacc3f32bcf12295dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
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5 . 设复数
的共轭复数为
,若
,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/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ce02454b35f0a2a02a838bbc11b505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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6 . (1)将向量运算式
化简为最简形式.
(2)已知
,且复数
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062aada34504971d17391527cda76d6c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1497a47127503ee20141f3b37b01252.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7 . 已知复数
(
为虚数单位).
(1)若
是纯虚数,求
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2bb30f7a12a7c0eea4dc0597b49b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02669610bcd003bac64921b6e9c8a2f6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367fd699ab9a2a6754f11530121c3bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a40e2b6c49f849119ad4a3f2e79530.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617f79ea499b501b5adf2dfad075f2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
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2024-05-09更新
|
510次组卷
|
3卷引用:广东省深圳市深圳大学附属中学、龙城高级中学第二次段考2023-2024学年高一下学期5月月考数学试题
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8 . 已知复数
(
为虚数单位),
.
(1)若
为实数,求实数
的值;
(2)若
为虚数,求实数
的取值范围;
(3)当
为纯虚数时,若复数
满足
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4deafa7c771eeb011fbb23e7c22276c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.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)
(3)当
![](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/03499b8c1338cfea24216d5175119dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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9 . 设
为复数,则下列说法一定成立的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
A.![]() | B.若![]() ![]() | C.![]() | D.![]() |
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10 . 已知
,其中
是实数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6995c967279469923cf707d17671611a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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2024-04-13更新
|
583次组卷
|
7卷引用:广东省清远市南阳中学2023-2024学年高一下学期第二次月考(期中)数学试题