已知复数
(
是虚数单位),且
为纯虚数(
是
的共轭复数).
(1)求实数
的值及复数
的模;
(2)若复数
在复平面内所对应的点在第四象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0820854d891a2ce98a1b6ddff5ede802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db545bb58d488ca19ae6e75cb401e280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c55ef29f46a923fb46251e76c9fb55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-06-09 11:09:30
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【推荐1】已知复数
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【推荐2】已知复数
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解题方法
【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c484d60171548d3b143f4d664b1c9c1c.png)
(1)判断复平面内
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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【推荐2】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c13fd85261207946cc5daaf37d8c34b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e66c9ef047cf38c978b14a77962ca7.png)
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