已知复数
.
(1)求|
|的最小值;
(2)若复数
为纯虚数,复数
满足
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdc67718f666bee99b1ce768a04f578.png)
(1)求|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fbf7104d754f64b30299b555a83b3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0947268283bf14c830b45472d47cdcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec04f844e8fd9d9b1ef835e23eaa54e2.png)
更新时间:2022-05-11 10:29:20
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知复数
,
,其中i是虚数单位,
.
(1)若
为纯虚数,求m的值;
(2)若
,求
的虚部.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5b285406274795469482cc61bf6c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd18458d7660f3ac21ce90ca01b6e293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182fa620a5b684aaabf83968b9454034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d52e497aa7422819d873a7333891e86.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】已知复数
、
是方程
的解.
(1)
的值;
(2)若复平面内表示
的点在第三象限,
为纯虚数,其中
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d7dc3fa43ef2ed97945ce21a208d42.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e487d5357e01ee9df8526cd0f37a8b.png)
(2)若复平面内表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3893f025b225f22f5fb6f8ea71aa9c3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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】已知
,i是虚数单位,
在复平面上对应的点分别A、B.
(1)若
是实数,求
的最小值:
(2)设O为坐标原点,记
,若
,且点C在y轴上,求
与
的夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3b4342269bd9d9b232a27fefb7df69.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf36d6c7ecd9fb710f8b7237c488471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea35838975a3f7db1f3b82241ff87dc.png)
(2)设O为坐标原点,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3270d691ec08e077305e741bfbf97b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bfe4da6f357e55927d25d9d27ea8717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.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】已知复数
.
(1)求
;
(2)若复数
是关于
的实系数方程
的一个根,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221d7825dab10f22007f103286677112.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe708b41ce87fc158edbb43135c14d3d.png)
(2)若复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43e49552a5099a8b2a442247c65a243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次