名校
1 . 任意一个复数z的代数形式都可写成复数三角形式,即
,其中i为虚数单位,
,
.棣莫弗定理由法国数学家棣莫弗(1667~1754)创立.设两个复数用三角函数形式表示为:
,
,则:
.如果令
,则能导出复数乘方公式:
.请用以上知识解决以下问题.
(1)试将
写成三角形式;
(2)试应用复数乘方公式推导三倍角公式:
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1266e4d6e189cbd788785b44eb4491d6.png)
(3)记
,由棣莫弗定理得
,从而得
,复数
,我们称其为1在复数域内的三次方根. 若
为64在复数域内的6次方根.求
取值构成的集合,其中
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1810abd6348f8d3863be355fdce70c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fea9021362c5e232929a37a05225cf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eef4221f949bbea8498b39ac1c136a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c825b7acba8f9997d38806be7b3b87eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5137aa9fb53b43fd558b2f1c26b0951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed43030ca376eb5e3331d75f103fc762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c6bdabdb3bfa767e0cb2f73eec6270.png)
(1)试将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb232df15bbcb2addccf8d5e7adc4d1f.png)
(2)试应用复数乘方公式推导三倍角公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47bdf9c678020d1d50082f7bb208557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1266e4d6e189cbd788785b44eb4491d6.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd0c30155ec5bc576f72e97afc42abaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2443c796f97e4b9b209a207abb3bf1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3eabab9c270c5390e9930a1376e6906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c88c2ca3f32231770665622da3ba4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930009e5e260660214817c4eaae0c712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cd58d17916b906defc4d6817514272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b71af6590f0f369c164a054a8b63bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b70cd6a9f071d3a89f3c1c65b609b2.png)
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解题方法
2 . 已知复数
满足
,
(
为虚数单位),
是方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46618eaf7cb9520f8234c9b81abd315.png)
在复数范围内的两根,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a29734fbf6159973fdf196a760cf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba04162bf228dcafc3f0f34d51c90ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46618eaf7cb9520f8234c9b81abd315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a1a5f2533b8ea54b7022383f875666.png)
A.![]() ![]() | B.![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
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解题方法
3 . 任意一个复数z的代数形式都可写成复数三角形式,即
,其中i为虚数单位,
,
.棣莫弗定理由法国数学家棣莫弗(1667~1754)创立.设两个复数用三角函数形式表示为:
,
,则:
.如果令
,则能导出复数乘方公式:
.请用以上知识解决以下问题.
(1)试将
写成三角形式;
(2)试应用复数乘方公式推导三倍角公式:
;
;
(3)计算:
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a0f4e84ca890b19f1a2d39b9c4d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826ff108f47b7dc4dd2e63e14c204a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34f45fe480fe6100c86a13db7ac652f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93d74cc1db74efb3bf74930e0ca3621a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b20d6f11c0a25c45c86eced22ec6405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1681d16c04032fcc92d7931524106b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed43030ca376eb5e3331d75f103fc762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785e47874ebcab903e4ac95fbd8f30aa.png)
(1)试将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb232df15bbcb2addccf8d5e7adc4d1f.png)
(2)试应用复数乘方公式推导三倍角公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47bdf9c678020d1d50082f7bb208557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1266e4d6e189cbd788785b44eb4491d6.png)
(3)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5b5976d1eab3219c6be0f3e85b4f406.png)
您最近一年使用:0次
2024-06-07更新
|
641次组卷
|
4卷引用:重庆市育才中学校2023-2024学年高一下学期阶段测试数学试题
重庆市育才中学校2023-2024学年高一下学期阶段测试数学试题(已下线)10.3 复数的三角形式及其运算-【帮课堂】(人教B版2019必修第四册)江西省南昌市江西科技师范大学附属中学2023-2024学年高一下学期第二次月考数学试卷江西省南昌市江西科技学院附中2023-2024学年高一下学期5月份月考数学试卷
23-24高一下·上海·期末
解题方法
4 . 对于任意的复数
,定义运算
.
(1)集合
,
,
,
均为整数
,试用列举法写出集合
;
(2)若
,
为纯虚数,求
的最小值;
(3)直线
上是否存在整点
(坐标
,
均为整数的点),使复数
经运算
后,
对应的点也在直线
上?若存在,求出所有的点;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db31fcead8e3aff98a0d7712bff575f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159a0230bb4b7c9d266b73b0afaf481e.png)
(1)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ba9a3a3b8a765dd2904fcdd22f2a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5319687dd89eaf09f8f875803724988f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92d6ca793cbabf3e22b7410f957a1fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb10bf3211e7b87b12823aa71f06ffba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a8594bf5bf74a99efa8c17db231034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86202ddf220de1d8f5dc2c72cbe5b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c042c0c7e253a65f770583c5c6696770.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f716e26c3a061266336f9a5d2a3fcea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9e4a7572ce9d7f8041b6ec5a3c3ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86202ddf220de1d8f5dc2c72cbe5b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
5 . 我们知道复数有三角形式,
,其中
为复数的模,
为辐角主值.由复数的三角形式可得出,若
,
,则
.其几何意义是把向量
绕点
按逆时针方向旋转角
(如果
,就要把
绕点
按顺时针方向旋转角
),再把它的模变为原来的
倍.
已知圆
半径为1,圆
的内接正方形
的四个顶点均在圆
上运动,建立如图所示坐标系,设
点所对应的复数为
,
点所对应的复数为
,
点所对应的复数为
,
点所对应的复数为
.
,求出
,
;
(2)如图,若
,以
为边作等边
,且
在
上方.
(ⅰ)求线段
长度的最小值;
(ⅱ)若
(
,
),求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8865c033cf9f1652c22297f8669623a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5ff0388004b8b37c9eeaef46a27325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5e350620ff7aab6fefc18b88573c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9979e52e407b34b82c2f7a6788743feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30deb1f343048675b9b231620369668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93fa313adc4ac7608ba9449fd755212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d442c6f979cd09bb7f8acf01d70130fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1cd5637ee5adad7e0376422ed181edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba62723e05ce6cce4d089d8b201fa857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3e95410f3b4fcb0cba425b521d1f67.png)
已知圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b29a77cfdb8d2a0b684389921e1496c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2120c2838188e2affa317160f24251f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a67a742d2a43e907fb1c3a1bdf1d6a9.png)
(2)如图,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96499747e4aea990f4b878eea8d73ab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c499b1f470978c4f8cc05ffdebc2e961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(ⅰ)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895928688d7557d94ccafa7ad073edfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2357ed8dbe6d3911738b8f747d670d3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
名校
6 . 欧拉(1707-1783),他是数学史上最多产的数学家之一,他发现并证明了欧拉公式
,从而建立了三角函数和指数函数的关系,若将其中的
取作
就得到了欧拉恒等式
,它是令人着迷的一个公式,它将数学里最重要的几个量联系起来,两个超越数——自然对数的底数
,圆周率
,两个单位——虚数单位
和自然数单位
,以及被称为人类伟大发现之一的
,数学家评价它是“上帝创造的公式”,请你根据欧拉公式:
,解决以下问题:
(1)将复数
表示成
(
,
为虚数单位)的形式;
(2)求
的最大值;
(3)若
,则
,这里
,称
为
的一个
次单位根,简称单位根.类比立方差公式,我们可以获得
,复数
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7e436790295af4902254dad6d7365f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a4d35f02c7125868dd4ca2533325d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5aa584db159b0f9bfae801d0134393b.png)
(1)将复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6cce69189929b8828de24c148ac814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eed3d568acf369a315c7ab41c081049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b845bd1c5586735a5cfd44bab146ce.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bcff080e5e25a0e82802434e83171b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a092c1d824879e64ba3b5d2e5a6a4261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f72b70c8c5b5cb34a67c1662ef5d155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6b4e6f57926cd95e4cf365422028b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aefbe794eaa3d456d1b92d0f5ddbb14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba513b97e46cd8385e8f31c62249dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4446e8a44481f53d6565ec93d6b5e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf86b36d3eacbe8d2ea19c310cb76e6b.png)
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解题方法
7 . 在复数域中,对于正整数
,满足
的所有复数
称为
次单位根,若一个
次单位根满足对任意小于
的正整数
,都有
,则称该
次单位根为
次本原单位根,规定1次本原单位根为1,例如当
时存在四个
次单位根
,因为
,
,因此只有两个
次本原单位根
,对于正整数
,设
次本原单位根为
,则称多项式
为
次本原多项式,记为
,规定
,例如
,请回答以下问题.
(1)直接写出
次单位根,并指出哪些是
次本原单位根(无需证明);
(2)求出
,并计算
,由此猜想
(无需证明);
(3)设所有
次本原单位根在复平面内对应的点为
,复平面内一点
所对应的复数
满足
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc6548571fb407b11bd8e20fc9a860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6e88d54d09eb7a4c8e934e296f8357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874631e1de2f86a9c0c8465db03fc7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5948aa4e0018b7e8e2d57f350ca5c718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4291b447692fcd6becaeda53b10095c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f79fedb9f7313e14fe9b7823011e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd52d1543e19aea6fd5742a4328ddf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc1b027c5aac5d97ee4eb33005fd9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a213315196fb915fe48505cc9f65a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e89220eb96a4757f2988362bc04e80c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba63d9bf401b254e5857cab89cf27e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721b4bc405a8fe427893f4656e5918dd.png)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
(2)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac0b017e80bfa576ff04b9a3a934927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b962b1bcf29fcfc66941ca4fc14c5ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719446337e4e8f52cf56bba204db24ed.png)
(3)设所有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c748e40ba21ac5063d3bccaa57ef278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588283c9af6716f9f56adec76399863a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b31f74f1bf8831816cede046b1bf50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee56eb9a6c76435dfec59163c289c9fe.png)
您最近一年使用:0次
2024-05-26更新
|
220次组卷
|
2卷引用:湖南省郴州市第一中学等校2023-2024学年高一下学期5月联考数学试题
名校
解题方法
8 . 现定义“
维形态复数
”:
,其中
为虚数单位,
,
.
(1)当
时,证明:“2维形态复数”与“1维形态复数”之间存在平方关系;
(2)若“2维形态复数”与“3维形态复数”相等,求
的值;
(3)若正整数
,
,满足
,
,证明:存在有理数
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dc4e868a310c371ff88075d8a966a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9d830212489b316bb052455098108e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc8299790d98621b87e73212a2ebb91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.png)
(2)若“2维形态复数”与“3维形态复数”相等,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c136aaf9b5dedec254a92ce302f4a70c.png)
(3)若正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94742ebbb028c50d7a58e3e8f4ab329c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35490c12e57ecd91af9934cb17b5c927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed110fbfeb14003270a1039ba174d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f02f2606180ffeda602ff9ae747af6f.png)
您最近一年使用:0次
2024-05-11更新
|
511次组卷
|
3卷引用:安徽省合肥市第一中学2023-2024学年高一下学期5月期中联考数学试题
名校
解题方法
9 . 在复数域内,大小成为了没有意义的量,那么我们能否赋予它一个定义呢,在实数域内,我们通常用绝对值来描述大小,而复数域中也相应的有复数的模长来代替绝对值,于是,我们只需定义复数的正负即可,我们规定复数的“长度”即为模长,规定在复平面
轴上方的复数为正,在
轴下方的复数为负,在
轴上的复数即为实数大小.“大小”用符号+“长度”表示,我们用
来表示复数的“大小”,例如:
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1668e5530289a3f96e4d64d5902d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ac6b062f7dba435dcbc2ac3d6d5b0f.png)
A.![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.复数![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 .
的最大值为
,则复数
的模为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab8413b24000c584018cc22bf9d5396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b40b6895776e0807c2baecbc8f33a8c.png)
您最近一年使用:0次