解题方法
1 . 已知复数
(其中
为虚数单位)是纯虚数.
(1)求实数
的值;
(2)若复数
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bbd1cce7e531e1a08192663367bda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc5b3841f4eebb72a9a6be96f5f3286.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a33970fe9d65a25b16cda7bfaf21b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
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解题方法
2 . 已知复数
满足
(
为虚数单位),复数
的虚部为2,且
是实数.
(1)求
及
;
(2)求
及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d9c20ff21b0027027f4b8b2c4abf49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db8d30669cb4c48fba443e98016dce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ffa08ed6ed096422af6ff471c569c2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87e8cdf5716e8c4aa29de4d4bd6d7b6.png)
您最近一年使用:0次
名校
解题方法
3 . 已知复数
,
.
(1)若
是纯虚数,求
的值;
(2)若
,求
;
(3)在复平面中,设复数
对应的点为
,当
变化时,求动点
的轨迹的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ac186317d84ee02a84cfb35d2f5fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be466586da8810ccfd811c59a747adb8.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/ad34eb59bbd12c445d4233aee590d3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(3)在复平面中,设复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解题方法
4 . 已知
,复数
,求分别满足下列条件的
的值.
(1)
;
(2)
是纯虚数;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5105b5d4904362e2f1ea5b470e41daf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525c1a68848e95e6b419e0bbec3c0957.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2017-05-31更新
|
237次组卷
|
4卷引用:内蒙古巴彦淖尔市第一中学2016-2017学年高二下学期期中考试B卷数学(文)试题
名校
5 . 已知复数
,
(
是虚数单位,
,
)
(1)若
是实数,求
的值;
(2)在(1)的条件下,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c92509dd50d5be202b7d7b826ed680c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a49470d844e4503245f5d7e8786cbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac14dd6f08713f7428e9d461f9916cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-05-18更新
|
445次组卷
|
3卷引用:江苏省如东高级中学2016-2017学年高二下学期期中考试数学试题
名校
解题方法
6 . 设复数
,试求
取何实数值时,
(1)
是实数;
(2)
是纯虚数;
(3)
对应的点位于复平面的第四象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5579acdb68e107ed2b1323d712143710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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解题方法
7 . 已知复数
(
为正实数),且
为纯虚数.
(1)求复数
;
(2)若
,求复数
的模
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7692c561db6fcdfebd849b9b026aa57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77eb3dc4f10e121cc1800437a315c438.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef9915efb293007392fe19e4833a873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0b0f4c49772f5200a7eecc49fb18344.png)
您最近一年使用:0次
2017-05-17更新
|
277次组卷
|
3卷引用:山东省济宁市第一中学2016-2017学年高二下学期期中考试数学(理)试题
解题方法
8 . 已知复数
.
(1)当实数
取什么值时,复数
是纯虚数;
(2)若
在复平面内对应的点在第二、四象限角平分线上,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bbd393574ca941384f8d0d9af2dffc3.png)
(1)当实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
您最近一年使用:0次
9 . 设复数
(
,
,
是虚数单位),且复数
满足
,复数
在复平面上对应的点在第一、三象限的角平分线上.
⑴求复数
;
(2)若
为纯虚数(其中
),求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8047f8751f5b238ce6d6237f7605b3a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91341d6026cec15df551ec171bcd67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44688e2ea4db8e1e5f87dac60235046.png)
⑴求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4c5e9f96e162496624a709138de76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-05-03更新
|
620次组卷
|
4卷引用:江苏省徐州市2016-2017学年高二下期中考试理科数学试题
江苏省徐州市2016-2017学年高二下期中考试理科数学试题(已下线)黄金30题系列 高二年级数学江苏版 大题好拿分【基础版】人教A版(2019) 必修第二册 突围者(经验篇) 第7章 第2节 复数的四则运算安徽省滁州市定远县育才学校2021-2022学年高一下学期期中考试数学试题
名校
解题方法
10 . 设
,
是
的共轭复数,若
和
均为实数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](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/005f6a19fe7b2709a8447830ea0a024a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c32849bfd957f6f3bba6f29dfefc388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a12bc3883cec9c1513befb8f4ce4fc9.png)
您最近一年使用:0次