已知
为虚数单位,设复数
满足
,且
为纯虚数,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70c2519610d6d1d6d0855b0f27dfc5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98ae7cb4c6a923f8e0b34088647f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
更新时间:2020-02-11 21:49:49
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解答题-问答题
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解题方法
【推荐1】设
,复数
,试求
为何值时,
分别为:
(1)实数;(2)虚数;(3)纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954c6d0472479650887fdcd5715275af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)实数;(2)虚数;(3)纯虚数.
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解题方法
【推荐2】设
为虚数单位,
,复数
.且在复平面内复数
对应的点在第一象限的角平分线上.
(1)求实数
的值;
(2)若
是纯虚数,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece71bf7f27ce5ffec4461a47154c253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78ebb40c49622e44dd8232105320b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解答题-作图题
|
较易
(0.85)
名校
【推荐1】已知复数
(a,
),且
.
(1)若z的实部和虚部相等,求z对应的点的坐标;
(2)在复平面内z对应的点的集合是什么图形?并画出此图;
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968755437486080/2972126576091136/STEM/6715c344-f2e6-4bc7-9cc2-2443274f6403.png?resizew=191)
(3)若
,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f32c241a1b97713333e7e8f0962503f.png)
(1)若z的实部和虚部相等,求z对应的点的坐标;
(2)在复平面内z对应的点的集合是什么图形?并画出此图;
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968755437486080/2972126576091136/STEM/6715c344-f2e6-4bc7-9cc2-2443274f6403.png?resizew=191)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7290f9978d2e267461e6018c7ad2298c.png)
您最近一年使用:0次
解答题-问答题
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(0.85)
解题方法
【推荐2】(1)已知复数
满足
(
为虚数单位),求
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bed223018e79373aa0c32570d9e53f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f224472c193b9e2f9b649f22c3b608c.png)
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解答题-证明题
|
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解题方法
【推荐1】已知复数z满足
.
(1)求z;
(2)若
,
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e850a7e02ff18fb7273584abf91cce6f.png)
(1)求z;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b0d64a53b18a14b5afc092d058f45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac8b24eef48a18cb3a01ec5c315bb3c.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
解题方法
【推荐2】已知
,
,
,设
,且
,求复数
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8f07802dae69119f9f29cecb280c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3319d04225823d5678f32e4472d8c06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc416b39d7ab58aaf7795d21aaadbab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27510169c898521aae12a6fc088e810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
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