设
、b均为实数,复数
与
的模长相等,且
为纯虚数,则
+b=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6509444e83c256f234c63d2536c3549a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d82c9f0c74c56e8c497aed0ad32879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a1ec15680a35a56e15d8c582eb3ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2018高三·辽宁·竞赛 查看更多[1]
更新时间:2019-01-28 19:58:32
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