名校
解题方法
1 . 已知复数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5660534ca9b11d00de13ebba1fcbce9.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.复数![]() |
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名校
解题方法
2 . 已知
是虚数单位,复数
,当
分别取何实数时,
满足如下条件?
(1)实数
(2)虚数;
(3)纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f4ca92683afc5f86f75d5f0795141a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)实数
(2)虚数;
(3)纯虚数.
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3 . 在复平面内,复数
(i是虚数单位,
)是实数,其对应的点为
为曲线
上的动点,则
与
之间的最大距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2012a3d091c1e4e8eefb319ea114c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1090ad8893be65df8ad18b7025402fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b3a21fc333f0c9e05b746815af6b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
A.4 | B.![]() | C.![]() | D.2 |
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名校
解题方法
4 . 已知
为虚数单位,若
为纯虚数,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62db1baa8633c1cccba66b1bd34a86d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次