1 . 已知复数
,(
,
是虚数单位).
(1)若
是纯虚数,求实数
的值;
(2)设
是
的共轭复数,复数
在复平面上对应的点在第一象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d9a76660f0c76eae9766832e9df1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 已知复数z满足
.
(1)求
;
(2)在复平面内,
为z的共轭复数.若
和z对应的向量分别是
、
,其中O为坐标原点,求向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc251b943276aa4fd8629c06f21c871f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c042c0c7e253a65f770583c5c6696770.png)
(2)在复平面内,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c2f978b8ec6a7d1c8f17bfa81d1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329fdf7d989f77a32ca9e0361a9cc956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
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3 . 已知复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bbfb8dc30c0f109ba11f9d858cebb3.png)
是虚数单位).
(1)若
在复平面内对应的点在第四象限,求
的取值范围;
(2)若
为纯虚数,求
的模.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bbfb8dc30c0f109ba11f9d858cebb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.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/f4f7ef3d218c84a6a3a623d93a53f9ca.png)
您最近一年使用:0次
解题方法
4 . 已知复数
是
的共轭复数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ada6afe1eae0810c535808f9be2d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7a6da068581d05480ea2b0eed42d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解题方法
5 . 已知复数z满足
(其中
),
(1)求复数z(写成关于a的表达式);
(2)当a为何值时,满足条件的复数z存在?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b8ed21d4024208f4853723225e9fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求复数z(写成关于a的表达式);
(2)当a为何值时,满足条件的复数z存在?
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名校
解题方法
6 . 已知复数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee2a5105690d385041fcdf679cbf236.png)
.
(1)当
时,
是关于
的方程
的一个根,求实数
,
的值;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c53c643bc4d057b61e3840d0b8605418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ee2a5105690d385041fcdf679cbf236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8100db7069d32f80ac78852d6bbda7f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0342195c134d540f32c6e192465636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13d477ec252f1952efd7d97425bf40c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2021-08-08更新
|
251次组卷
|
2卷引用:江苏省无锡市2020-2021学年高二下学期期末数学试题
7 . 在复平面
内,点
对应的复数
满足
,点
对应的复数是
,(i为虚数单位).
(1)求
;
(2)以
,
为邻边画平行四边形
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36157c54c8ee375e4bec50f4deada59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5725e7e54fcb39297e1e412bffdfe2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
(2)以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e902eb263971b466d0fcd91c56b453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
您最近一年使用:0次
2021-08-07更新
|
152次组卷
|
2卷引用:江苏省宿迁市2020-2021学年高二下学期期末数学试题
名校
8 . 已知复数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dde54ef0a4f25fbd001f351e28b78c.png)
(1)求
的共轭复数
;
(2)复数
满足
,求
在复平面内对应点的集合所表示的图形面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dde54ef0a4f25fbd001f351e28b78c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7359cd5390b336e0edd0be8af93b4ec9.png)
(2)复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bb97ae72bedbafccb16d033835c5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
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2021-08-04更新
|
109次组卷
|
2卷引用:广西钦州市第四中学2021-2022学年高二下学期3月月考数学试题(文科)
9 . 设复数
,若
是虚数单位,其中
.
(1)若
为纯虚数,求
的值;
(2)若
是
的共轭复数,若复数
所对应的点在第三象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b81a42657af065d9dc691939408ecd.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/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985c35780e0229040ef2a0cdd2381769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
10 . 已知复数
(
,
为虚数单位)
(1)若
是纯虚数,求
;
(2)若
,
,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7108886688095af48060446a165653a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d0496931b5cc4fb604e07b493e8f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2021-07-27更新
|
87次组卷
|
2卷引用:青海省西宁市大通回族土族自治县2020-2021学年高二下学期期末联考数学(文)试题