若复数
是纯虚数,其中
是虚数单位,则实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cfbc936b6f3946335708bbe2810da84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2020·天津北辰·二模 查看更多[1]
更新时间:2020-07-31 09:38:23
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【推荐1】设i为虚数单位,
,若
是纯虚数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
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【推荐2】“
”是“复数
是纯虚数”的______ 条件.(填“必要不充分”“充分不必要”“充要”“既不充分又不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77df5eaef09da6f7c46b4ab5e1ffe92b.png)
您最近一年使用:0次
填空题-单空题
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较易
(0.85)
【推荐1】已知复数
满足
,则复数
在复平面内所对应的点坐标为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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您最近一年使用:0次
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【推荐2】已知复数
,
,
是正实数,则复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7516303b3dd7c28b3b3fcffd538ca.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc9e354d21f3873043db2dabba495a.png)
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您最近一年使用:0次
填空题-单空题
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(0.85)
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【推荐1】已知z在复平面内对应的点的坐标为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae37f7dd4e96401445ce25333cc3dbf4.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a20a61d384b658080b92d8c1a9e7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae37f7dd4e96401445ce25333cc3dbf4.png)
您最近一年使用:0次
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【推荐2】若复数
的实部和虚部相等,则实数a的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3589c76770d6289607c921abd32a1a3.png)
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填空题-双空题
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【推荐1】已知
,复数
(i是虚数单位),若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d889f4fab7418f7c3ae998246f623dc.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e37c35e33ffa1a55a0693ae2319da91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836500de3dee2fc8db3754086d170efe.png)
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您最近一年使用:0次
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【推荐2】已知
,
是z的共轭复数,若
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________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
您最近一年使用:0次