1 . 已知复数
(
,
为虚数单位)
(1)若
是纯虚数,求
;
(2)若
,
,求
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7108886688095af48060446a165653a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d0496931b5cc4fb604e07b493e8f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2021-07-27更新
|
87次组卷
|
2卷引用:青海省西宁市大通回族土族自治县2020-2021学年高二下学期期末联考数学(文)试题
解题方法
2 . 已知
.
(1)
是
的共轭复数,求
的值;
(2)类比数列的有关知识,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6bba0a89124c9406919e2a8d9276a2.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d73e866d67d2b3066a3951b87d159d3.png)
(2)类比数列的有关知识,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85617e78a8e8672f31be7e1939023afc.png)
您最近一年使用:0次