名校
1 . 若复数z满足方程:
(
为虚数单位),求复数z
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81be96448e060c222e389ec7778a1d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
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2019-12-09更新
|
166次组卷
|
2卷引用:上海市浦东新区2017-2018学年高二下学期期中数学试题
2 . 已知
是复数,
均为实数(
为虚数单位)
(1)求复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)求一个以
为根的实系数一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d126d8a125cd71d8cc0e0773b1974ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)求复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)求一个以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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2019-12-07更新
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154次组卷
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4卷引用:上海市宝山区通河中学2017-2018学年高二下学期期中数学试题
3 . (1)复数
满足
,若
为实数,求复数
;
(2)若
是方程
的两根,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08d623fdc0e3d470e6b30e3e6c1b35b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74266e2f5b38f1d25e64bde8e90ec2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d18df40af0b8db62dd1829bcdf9089e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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4 . 若
是关于
的实系数方程
的一个复数根,则
=_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97b9f51ba9d015736d7a9ad68cf0a1b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9878e1f09b3ac8d8e9ec3f30a37a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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5 . 已知非零复数
,
,
;若
,
,
满足
,
.
(1)求
的值;
(2)若
所对应点
在圆
,求
所对应的点的轨迹;
(3)是否存在这样的直线
,
对应点在
上,
对应点也在直线
上?若存在,求出所有这些直线;若不存在,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6d334cdda2dffb482842af63581e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe64f8cca039e9cde6adcc8d69b53d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d82fee117e9f82960786e2be010f4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcc78b50e4eb2ef6076b0ef4fab732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a69a92efc7bf0cf8659020be19c1f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed1f0059c045d6669920d1c9ee7eea5.png)
(1)求
![](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/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f143ca890a2e92f28a942cbad62781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(3)是否存在这样的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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6 . 若关于
的二次方程
的两根为
,
,满足
.
(1)若
,
,
均是实数,且
,求
的值;
(2)若
,
,
均是复数,且
,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab33a0e0a270fa78dfc7852c01a031bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6818822281fc18b633f6d2169e7a1a89.png)
(1)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11ccb8a161ddb743f9b81945aa0e71b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dbfa44731de7593065c1d1d8aa6d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a771f2e80c8a29ed2ebd76498b0f49.png)
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7 . 复数
满足
,
,
(1)当
时,求
;
(2)若复数
在复平面内所对应的点在第二象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f48f661528bfaafb860ffab951b5db8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbeede118c407a800b05757b9a1393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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8 . 已知
,则
的值是____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e22bae85941988f9a3b72692980ae44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674f349f895b1869ece37a543311aba9.png)
您最近一年使用:0次
2019-12-03更新
|
307次组卷
|
2卷引用:上海市复旦大学附属中学2017-2018学年高二下学期期中数学试题
9 . 已知
,
,
,
,若在复平面中
,
,
,
所对应的点分别为
,
,
,
,过直线
作一个与复平面所成的锐角为
的平面
,则线段
在平面
内的射影长为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2896e56babe9d7adbe036e158b28d4d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514856ec0e7544ef1911dc26fba12d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef1c64c855fd8331de0f2004de0c4c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9bb62070326d5527b58691c8cb82c8.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/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b29a77cfdb8d2a0b684389921e1496c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb8477bcc87b1401970171bf57b9ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c1fd680a5d355178273c6d6025eb80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276bdeecec8e10c149c9653fa5f5facb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21182b66ef690257b06685aa16b42d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0600267caf4d9288ab8ba8f4f9b3d556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b54d44c560079b4ae7c293f95a0860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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10 . 若复数
是纯虚数,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1afbd4b28ed999d82bf3c4d0b112b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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