1 . 已知复数
(
为虚数单位),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0bada9ba3481a183c3463b6ea05907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.1 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2 . 方程
的正实数根所在的区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da7b2643f8b23b64fa1d7372c8baed1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 复数
(
为虚数单位)的模为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7c3ae0542eba87fe2f84664f589e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.3 | B.5 | C.4 | D.7 |
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4 .
为虚数单位,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36088cd9bac8e9259af409cf9c3372fb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36088cd9bac8e9259af409cf9c3372fb.png)
您最近一年使用:0次
5 . i为虚数单位,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97dd10583580b3d69c720591c11f815f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
6 . i为虚数单位,计算
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae916c2f6cb1041e86a94a5a98520efb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知复数
,则
的虚部为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152132ec6636427f8306a97245fdd0d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . i为虚数单位,若
,则在复平面内z对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0463ba5ab2bef52346db359b6e079378.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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9 . 复数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bef5a75ca975c523f7233f7a7585f4.png)
A.i | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
10 . 已知复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886f680cbf7c5db976959baeba6a6415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
您最近一年使用:0次