20-21高二·全国·课后作业
解题方法
1 . 有
个人围着一张圆桌坐成一圈,共有多少种不同的坐法?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
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2 . 如图反映了二项式定理产生、完备和推广所走过的漫长历程:
推广到
(m,
).
(2)请你查阅相关资料,细化上述历程中的某段过程,例如从3次到n次,从二项到m项等,说说数学家是如何发现问题和解决问题的.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9216a0f9d6e65ea4937ab7bf102c5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6facad17404e697472ef98719543a995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
(2)请你查阅相关资料,细化上述历程中的某段过程,例如从3次到n次,从二项到m项等,说说数学家是如何发现问题和解决问题的.
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2023-05-24更新
|
355次组卷
|
4卷引用:人教A版(2019) 选择性必修第三册 新高考名师导学 第六章 6.3 二项式定理
人教A版(2019) 选择性必修第三册 新高考名师导学 第六章 6.3 二项式定理(已下线)6.3 二项式定理(已下线)第三篇 数列、排列与组合 专题8 二项式定理的推广——多项式定理 微点2 多项式定理综合训练人教A版(2019)选择性必修第三册课本习题 习题 6.3
20-21高一·全国·课后作业
3 . (1)已知复数
,
,
,复数
,
,
的几何意义分别是什么?复数
,
,
的几何意义又分别是什么?
(2)已知复数z以及常数
,复数
和
的几何意义分别是什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976c188b072c749662aedf482193dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11988aa7569790689bea75a91925eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0984d776285cdcfa505cf91335c4905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e90f283387904c27be6183acd241132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3aec1cc4a407bfa09fe0878966d61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e5ff732f4c548d8b3a07180b5affc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b5a16d1ca0db697ee4fe9960152ceec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9159f29349754bbae9f36c262215501f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43b6d22b7a58ce137e80b86164e5a45.png)
(2)已知复数z以及常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bdac20e214b2cb3bd07f8d4778dcca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81560ffbb65f8a0d37fb0ae5d8a3fbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7459d9d0a8258e0e1ef444074c0ef26.png)
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20-21高一·全国·课后作业
4 . 下列复数是不是三角形式?如果不是,把它们表示成三角形式.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1adfd2bcc9d8f27ca0a22aed7a63a9.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29088fa8efdf382400b5422c07302b87.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb2b1304afc426afd70b5f03fed3fe3.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1adfd2bcc9d8f27ca0a22aed7a63a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29088fa8efdf382400b5422c07302b87.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb2b1304afc426afd70b5f03fed3fe3.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a8a718305dcdaacd9ae90b9783c9f4.png)
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20-21高一·全国·课后作业
5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737adaf255606b6e077859565ccdcba9.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36812f833355fbf17e2c0164dad4e69b.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d738cebb809a866c5613b633053ca93.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737adaf255606b6e077859565ccdcba9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36812f833355fbf17e2c0164dad4e69b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d738cebb809a866c5613b633053ca93.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04f20e6a9eb71a456cd73e0d8074df3.png)
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2021-11-12更新
|
397次组卷
|
6卷引用:12.4 复数的三角形式
(已下线)12.4 复数的三角形式(已下线)7.3 复数的三角形式1-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(人教A版2019必修第二册) 苏教版(2019)必修第二册课本习题12.4 复数的三角形式7.3.2复数乘、除运算的三角表示及其几何意义练习(已下线)专题7.5 复数全章九大基础题型归纳(基础篇)-举一反三系列-(已下线)7.3.2 复数乘、除运算的三角表示及其几何意义(分层练习)-【上好课】
20-21高一·全国·课后作业
6 . 把下列复数表示成三角形式,并求出它们的模与辐角主值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe7dc0c9aa0c8be73f8de929600743b.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf5470550b6a77f24f9b2beb31920ed.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ba43f6ac5a62cfc6cfda0900481515.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe7dc0c9aa0c8be73f8de929600743b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf5470550b6a77f24f9b2beb31920ed.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ba43f6ac5a62cfc6cfda0900481515.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8674bb476e760574ca3dfa48b417bd30.png)
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20-21高一·全国·课后作业
7 . 利用
,
,把复数
表示成三角形式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae469ac1e4413b1d0e60004d3c30f1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90da6d2dc65b4369a720aab66fc11230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facf2b83ead04cad360ee897f8a0a1c7.png)
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20-21高一·全国·课后作业
8 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d74d4e388965d8c9da4fd92027405bb.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d951bc127225e493cf3e58082b3951a.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7192956e41968ff772bebf69753de535.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d74d4e388965d8c9da4fd92027405bb.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d951bc127225e493cf3e58082b3951a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7192956e41968ff772bebf69753de535.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc1f17ed4cb5b7bca52201e9c2e0874.png)
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20-21高一·全国·课后作业
9 . (1)设
,且
,
,……
,计算
;
(2)若
,计算
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319843285eb8a6fa03895e0fe8b16c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019ef6e49db8ac19f9ab1116c25cd378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066a9104c0f347fb7230ed02204e7a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415d468f86cb9dc99f43517d173bb353.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48dd58444528a15fe3513ebd38d90150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437588410900eab38789937e0bed8972.png)
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