解题方法
1 . 若复数
,
,则
的共轭复数在复平面内对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26a01253c28a6ea8f590c4cdb3f115a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7741f009666076297f8391657e733a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74819324120f97d4de47125f20098cf4.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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2 . 求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9574e1c06fd2dc9ccbae5d137fd0af5b.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac4d516a6f25f72b7b5ec791fee421b.png)
(3)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9574e1c06fd2dc9ccbae5d137fd0af5b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac4d516a6f25f72b7b5ec791fee421b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1762dbbbf7d267b7332fe2706e754c.png)
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3 . 已知
,下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b354e6c7519f6058962733b8eedbbe.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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4 . 已知复数
在复平面内对应的点在虚轴的正半轴上,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db5c1993bdf3e6ce4810533d62c90de.png)
(1)求
,
的值;
(2)求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa925e867d123a41814d16e77e9b59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db5c1993bdf3e6ce4810533d62c90de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17ca1e9283fc7ac1b1e427ef0310fc2.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c529ba8284ac452d88405f8dfc3b316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
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5 . 已知复数
在复平面内对应的点为
,且满足
,
为原点,
,求
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba67a21c7f856f3fe01267dfa7e842e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0edccfab33b208c831aa8c8c460158.png)
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名校
解题方法
6 . 设
,其中
为虚数单位,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c251bf82efb628a5dcc5f3a45bba703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
A.![]() | B.![]() | C.1 | D.6 |
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名校
7 . 复数
满足
(
为虚数单位),则
的共轭复数的虚部是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573121d4915b463789a431a5bea8cec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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解题方法
8 . 已知复数
满足
,则
在复平面内对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30183373fb0ddc936f44a095e2dcb8b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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名校
9 . 设复数
,
.
(1)若
是纯虚数,求
的值;
(2)若复数
在复平面内对应的点在第四象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1988e53b17687a87e751e9513c20a0c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af4ddcdc131d6f0a1f17d637b1179f77.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7be74b3741e5b47713ed3ce08398f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7日内更新
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205次组卷
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2卷引用:黑龙江省哈尔滨市第三中学校2023-2024学年高一下学期期中考试数学试卷
10 . 已知复数
(
为虚数单位),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010d45903861ec08fe3c51b67e507fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.z的虚部为![]() | B.复数z在复平面内对应的点位于第二象限 |
C.z的共轭复数![]() | D.![]() |
您最近一年使用:0次