若
,其中
是实数,
是虚数单位,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49824f3b3dbf800a7bfe9c4bf48ba25f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
更新时间:2018-02-07 17:03:41
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容易
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解题方法
【推荐1】若三次方程
有一个根是纯虚数,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__ .
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您最近一年使用:0次
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容易
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(
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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您最近一年使用:0次
填空题-单空题
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解题方法
【推荐1】已知复数
(i为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c9cd4b857507587453acca9985c94c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
您最近一年使用:0次
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容易
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您最近一年使用:0次