设复数
,已知
,且
为纯虚数.
(1)求
;
(2)若
,且复数
在复平面内对应的点位于第一象限,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db95214c54cc0785b910bcf465159555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bc72e920dfc7afc3bbc4ce0bc14869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2a144fa940190b410c40c9c1c40a73.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da690840b276f4bfa49a0cbccbcd8d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
21-22高一下·河南安阳·期末 查看更多[3]
更新时间:2022-07-02 11:42:59
|
相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知关于
的不等式
解集为
.
(1)求实数
的值;
(2)若复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133680459ac389bdd9b04d55da9d7ffe.png)
,且
为纯虚数,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f5a7b09b48277b0afa916912efdbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133680459ac389bdd9b04d55da9d7ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ada30e765ff93ed2b66b48ac30b78c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐2】设实部为正数的复数z,满足
,且复数
为纯虚数.
(1)求复数z;
(2)若复数z是关于x的方程
(m,
的根,求实数m和n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d337a7e239d382210cfd60e5465d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11659b2288d913449b06208c2f2b2099.png)
(1)求复数z;
(2)若复数z是关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43e49552a5099a8b2a442247c65a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8440725e1df5ca0990b572dd84127914.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】对于复数
,
,称复数
是
关于
的变换.
(1)计算复数
关于
的变换的结果;
(2)若复数
关于
的变换在复平面上所对应的点在线段
上,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08efa57f70ca23fa89c2cf066e11eaba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d861f3e91317a6d2098a5d9b7a97d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(1)计算复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b36c88c1adeaccc440422fba8eb753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b80360cbdda38f0745b998dfa872a73.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c04c2800d184c928608256342900c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5023718823b39d16302a6b892f552d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcccbd42e2cb5fe86ce5f6c70237486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】设虚数
满足
,求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a82fce4720a24691a84698b15d5591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】(1)已知复数
,其共轭复数为
,求
;
(2)设集合
,
.命题
;命题
.若
是
的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20129f794f91bd4f2c135036289d44a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab62dd15c78f9a917848b58bb870879b.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2b4c7dea27ff83acaedec3687dff80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f5a6963382b8f6b5696f0097d059ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知复数
,
其中
是实数,
(1)若在复平面内表示复数
的点位于第一象限,求
的范围;
(2)若
是纯虚数,
是正实数,
①求
,
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450f13b5b0be15aa636a58e012becc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07fe110695f9fb307bd6ea1b36d5347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若在复平面内表示复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11487ec9845035be4e784acbc76fb85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9339e241d0a96becafec8a1580a08940.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知
为虚数单位,实数
分别取什么数值时,复数
满足下列条件:
(1)纯虚数;
(2)复平面内对应的点在直线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210644b09cdaf4144e3fb1b11afebae0.png)
(1)纯虚数;
(2)复平面内对应的点在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
您最近一年使用:0次