已知复数
,
为虚数单位,则
的虚部为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62284ab4ead03ca713495783f646f33c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
更新时间:2020-04-23 22:43:15
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