名校
1 . (1)已知复数
,
是
的共轭复数,求
的值;
(2)计算
(
是虚数单位).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d142f4906732aa799d32d5899e62b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5bee1a80a3249d8a48c3cd92537c2d.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70661617bd9c382fa697dc0d07e745f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
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2018-09-24更新
|
558次组卷
|
2卷引用:河南省辉县市一中2017-2018学年高二下学期第一次月考文数试卷
解题方法
2 . 已知
,
,
,设
,且
,求复数
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8f07802dae69119f9f29cecb280c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3319d04225823d5678f32e4472d8c06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc416b39d7ab58aaf7795d21aaadbab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27510169c898521aae12a6fc088e810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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3 . 设实部为正数的复数
,满足
,且复数
在复平面内对应的点在第一、三象限的角平分线上.
(1)求复数
;
(2)若复数
为纯虚数,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128cf2d830a0be68857f24280da22895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d9c1bdfdd32e1b3dca19aed774ff34.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ab7dfee1b4ae6b86e9bebaff668e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-08-15更新
|
451次组卷
|
4卷引用:【全国市级联考】河南郑州2017—2018学年高二年级下期期末考试数学(理)试卷
【全国市级联考】河南郑州2017—2018学年高二年级下期期末考试数学(理)试卷广西壮族自治区陆川县中学2017-2018学年高二下学期期末考试数学(理)试题江苏省连云港市赣榆区海头高级中学2020-2021学年高二下学期第一次月考数学试题(已下线)专题12.3 复数的几何意义(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)
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4 . 已知
,且
,求复数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe915d791b5a0fb132f0e4fa415a013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481df9a77e45fab4f143d01e2b56f616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次
2018-06-01更新
|
317次组卷
|
4卷引用:广东省中山市第一中学2016-2017学年高二下学期第二次段考(5月)数学(文)试题
名校
解题方法
5 . (1)设
(
是虚数单位),求
的值.
(2)设
,复数
,且满足
,试求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d971e248bd035650f7fc77adaea2ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01b814943d3a7aec671a3da738134e3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9e4a7572ce9d7f8041b6ec5a3c3ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c6cf13953b1e35f6a5be6f469d278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
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6 . 若复数
满足
,其中
为虚数单位,求复数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c43a483a718950618b9a9ddc31f97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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7 . 已知复数(x-2)+(-3x+2)i(x∈R)是4-20i的共轭复数,求x的值.
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解题方法
8 . 在复平面内,复数
(
为虚数单位)的共轭复数
对应点为
,点
关于原点
的对称点为
,求:
(1)点
所在的象限;
(2)向量
对应的复数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d00a11c50d7fc99df35bf199c2e4b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
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解题方法
9 . 计算下列题目:
(1)设
,求
.
(2)
,解方程
.
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b1e20a546c1900afbe3a645e9fd12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54286fe72b8305272c36c0a3a8d2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0b274e490b3bad84ade99836fec09a.png)
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10 . 设
为原点,向量
、
分别对应复数
、
,且
,
,
,若
是实数.
(1)求实数
的值;
(2)求以
、
为邻边的平行四边形的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72ff93c6b79f395aabb9f25e45203d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95985232e68bbf4e37f147d89efbfed6.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/32b51a2f9a5c58db5a702553abd5bffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a334c9546db4c6e7a6afce3d1d3948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b213a52f0f70410eb288b3428a8a5374.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72ff93c6b79f395aabb9f25e45203d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95985232e68bbf4e37f147d89efbfed6.png)
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