已知
是虚数单位,给出下列命题,其中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
A.满足![]() ![]() |
B.若![]() ![]() ![]() |
C.复数![]() ![]() ![]() ![]() |
D.在复平面内,实轴上的点都表示实数,虚轴上的点都表示虚数 |
更新时间:2020-02-11 23:47:03
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相似题推荐
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【推荐1】若复数
满足
,则复数
的虚部是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19db263f921824cec98755695c56d94b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知复数
,其中
为虚数单位,则
的虚部是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f11a99ddebf5b66694a591d72cc474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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名校
【推荐1】如图,在复平面内,复数
对应的点为
,则复数
( )
![](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/29a049e14a2b0c0bb7d4c10637fcb01b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/20/fb0a7975-55ad-47b4-9674-c8eae9484fa9.png?resizew=107)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】下列命题中,真命题是( ).
A.虚数所对应的点在虚轴上 |
B.“![]() ![]() |
C.若![]() ![]() |
D.“![]() ![]() |
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【推荐1】定义运算
,若
(
为虚数单位)且复数
满足方程
,那么复数
在复平面内对应的点
组成的图形为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fec025453bac0d34d5e9bdf61a6755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e100a934159ed80495d9a37b018e7b5e.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/411f487746c73b3c265d7e4eeeb2da41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.以![]() |
B.以![]() |
C.以![]() |
D.以![]() |
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【推荐2】已知复数
(i为虚数单位),若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f304de0f67a04e96fbc76099f0e49e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa9a987ee624c346f9ab80abd852b66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】设
,
表示满足
的最小正整数
,则
的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707aed47159fae11f47e464c548a0b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53394936178aeceef9270115825e86a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bcff080e5e25a0e82802434e83171b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66712bd37e1a4b82fff54c535981cfd2.png)
A.6 | B.7 | C.8 | D.9 |
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解题方法
【推荐2】已知复数
(a,b
R,i为虚数单位)满足
,则 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eed3d568acf369a315c7ab41c081049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6c78363ae29dad7fe888f16ec1ae6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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