设
是虚数单位,
是实数,若
是实数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9047d9bdeae7f434e510d76a3994156a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
更新时间:2023-02-21 16:31:23
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填空题-单空题
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容易
(0.94)
解题方法
【推荐1】若
为实数,复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118dcefb472b75854deee86ae83a4220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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填空题-双空题
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容易
(0.94)
解题方法
【推荐2】已知
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
________ 时,z为实数;当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
_______ 时,z为纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac9a75a1736fb33821f529ae0f6186b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
您最近一年使用:0次
填空题-单空题
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容易
(0.94)
【推荐1】中国古代数学著作《九章算术》中记载了平方差公式,平方差公式是指两个数的和与这两个数差的积,等于这两个数的平方差.若复数
(i为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38cfacb377d5b320df5ecd63b6fa6a9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d138e0ee19026826b8040eaa6b9654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38cfacb377d5b320df5ecd63b6fa6a9.png)
您最近一年使用:0次
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【推荐2】设
为虚数单位),则复数
的模为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec49a6687745c891e1a833fcb1493585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
您最近一年使用:0次