1 . 求证:存在非零复数c与实数d,使得对于一切模长为1的复数
均有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3185a496b769c519c56b007527aaf62b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cec18bd06c3d0d1a5a1be8b4627b5c7.png)
您最近一年使用:0次
2020高三·全国·专题练习
2 . 复数
、
满足
,
,证明:
.
![](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/5fb4f2f252a028a49880123493f9b1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2162097d11a14b00c00d5ee7c9524f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44cbce7fbbcb934d23b7d32fcacb6fad.png)
您最近一年使用:0次
2021-01-16更新
|
342次组卷
|
6卷引用:专题60 复数综合练习-2021年高考一轮数学(文)单元复习一遍过
(已下线)专题60 复数综合练习-2021年高考一轮数学(文)单元复习一遍过(已下线)专题66 复数综合练习-2021年高考一轮数学单元复习一遍过(新高考地区专用)(已下线)专题66 复数综合练习-2021年高考一轮数学(理)单元复习一遍过(已下线)第9章 复数【真题训练】-2020-2021学年新教材高一数学下册单元复习一遍过(沪教版2020必修第二册)(已下线)专题7.2 复数 章末检测2(中)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(人教A版2019必修第二册)(已下线)第七章 复数(基础训练)A卷-2021-2022学年高一数学课后培优练(人教A版2019必修第二册)
3 . 已知
均为正整数,且
,
(其中
),
.求证对一切自然数n,
均为整数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfeaf6c97ab0721aff439c16cd1e3d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b992104248a854e6e033c26602aff813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728d08846cf2d951ba6b3cb53343309e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
您最近一年使用:0次
4 . 设
、
、
是正实数,
.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a51adb03b2a1cf3bec1325f5d971ba7.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a021b2aac222d17a1bbbc22d50eb43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a51adb03b2a1cf3bec1325f5d971ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5119a224a6ee3bb5f43f5461341a443d.png)
您最近一年使用:0次
5 . 设
.证明:
为纯虚数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73be79c02db553929619d957187e2077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43841e4b0da3133db278ac1eec625cbc.png)
您最近一年使用:0次
6 . 设
,其中
和
都是实数,且
.证明:若
,则对一切正整数
,均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f167a87f1dfceaf858d4dde6ee94ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fb0c9c7e30bbc0ec8c3521577ee4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921c99563c54509e2ebf587dfdb26e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042235c88be02463c0b7bef603ae7e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58edc69cbf7d0d5d1ce8a1dc6c125af5.png)
您最近一年使用:0次
7 . 已知a、b、c为非零复数,且
.证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46018a0405dfcff57a7be3db8124d85.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4220ed1c77441022aa4e296ef2e78467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46018a0405dfcff57a7be3db8124d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e626c6657ee4f083b4d916f6500fa11a.png)
您最近一年使用:0次