1 . 从空间一点
出发作三条两两互相垂直的坐标轴,可以建立空间直角坐标系
.如果坐标系中的坐标轴不垂直;那么这样的坐标系称为“斜坐标系”.设
是空间中相互成
角的三条坐标轴,其中
分别是
轴、
轴、
轴正方向的单位向量.
(1)计算
的值,
(2)若向量
,则把有序数对
叫做向量
在该斜坐标系中的坐标.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77c821a6e28cbc3822e972b1723391a.png)
①求
的值;
②求
的面积:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e817efcde9673ce9845f7b9cc2ffa84d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500ca5426beb132b6945868647d8acc2.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/e81e59019989b7dc2fb59b037ef6e010.png)
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae33a79c627702b971a914b6ee4f0a26.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138c39673b579f1346c38398811105a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee4e3cf72016a2b908b9178b8317b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77c821a6e28cbc3822e972b1723391a.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b0ba14e41e306e5633ad4bf1cdedd8.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2 . 已知函数
,若对于任意的实数
都能构成三角形的三条边长,则称函数
为
上的“完美三角形函数”.
(1)记
在
上的最大值、最小值分别为
,试判断“
”是“
为
上的“完美三角形函数”的什么条件?不需要证明;
(2)设向量
,若函数
为
上的“完美三角形函数”,求实数
的取值范围;
(3)已知函数
为
(
为正的实常数)上的“完美三角形函数”.函数
的图象上,是否存在不同的三个点
,它们在以
轴为实轴,
轴为虚轴的复平面上所对应的复数分别为
,满足
,且
?若存在,请求出相应的复数
,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7942abede925d39586071ad73e8c7de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237d8cd9bc612b6417614fbd70ee6c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b95e62946d710707f89d0c9f82c7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02d5fbfa2feb617c6fabd1c35c5fb5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)设向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cf43aad35a9c6360908448b348be1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138ddbc9e4e842267a38425141063cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42017367e7f9fc70f99d70551852d6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2537912dc33dfc76ea1afa48c5d9e261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebbc272e8a634e515c14f52bd64e84b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9246032f3154df10f63e03fef7ec5eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.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/1be94c746ea0cb4834e5295672e229a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2374bf53f7afc6eac3cf45d2befef826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a328844e8b5643eeda51d02c53bf248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be94c746ea0cb4834e5295672e229a4.png)
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解题方法
3 . 已知双曲线
的左、右顶点分别为
、
,设点
在第一象限且在双曲线上,
为坐标原点.
(2)若
,求
的取值范围;
(3)椭圆
的长轴长为
,且短轴的端点恰好是
、
两点,直线
与椭圆的另一个交点为
记
、
的面积分别为
、
求
的最小值,并写出取最小值时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d34cf4ed961f4052ed35c7475c7d32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58a8ca834f54630a35eec57044a9376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b14123852c3e17f0a519282e076797.png)
(3)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a36a9dc09e4ed89c47993141ea124fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e534b545e86c02abd2a0dc75d32b407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e8c7968d57d2a20065a7cb15c9b4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a1568c0bf07f285b2e01c3a3a55900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b1ab746f3773e5989f4d18fb3072a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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4 . 平面上的向量
、
满足:
,
,
.定义该平面上的向量集合
.给出如下两个结论:
①对任意
,存在该平面的向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
,存在该平面向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407538138dd68ab917925c2063cc98e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30f758f45abc258acfe2c619a901dd4.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c5dcc6c7cbc617957931d8b8b4b09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8b56ab93d5122afcddb46d502012ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
A.①正确,②错误 | B.①错误,②正确 | C.①正确,②正确 | D.①错误,②错误 |
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5 . 已知
,函数
.
(1)我们知道,向量数量积对加法的分配律,等价于向量往同一方向投影与求和可以交换次序.请借助以上后者的观点,写出
的值域.
(2)若
的最大值为
,求
的最小值.
(3)若
的最大值为1,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b9a61c77d921d8d839a5b0f0b2bd2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67e90053e85470f4ca6b49d65261086.png)
(1)我们知道,向量数量积对加法的分配律,等价于向量往同一方向投影与求和可以交换次序.请借助以上后者的观点,写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cea7aec78e82b5e87b564732c649657.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47eafbc322e14a62e2684a4a1dc1e9eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3d933c0633f58a2268e692d888faf5.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c936a31eea68d7ded7c566fd9ad4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9157af5fc58b6b08ad20628871d764.png)
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6 . 在复平面
内,复数
所对应的点分别为
,对于下列四个式子:(1)
;(2)
;(3)
;(4)
,其中恒成立的是____________ (写出所有恒成立式子的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5de3e2c5934722e0dcd10393c9f6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8cb8a77b8166f4265d44de6529b427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93316276ffa254d8f69c16a001a34321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f820bec05622a88778dab1db916c50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3363ef433c8fd2def20720055cc01cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e822a4065ca306bff96ba357ce914a8a.png)
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2021-12-20更新
|
1094次组卷
|
8卷引用:上海市复旦大学附属中学2023-2024学年高三下学期三模数学试题
上海市复旦大学附属中学2023-2024学年高三下学期三模数学试题上海市长宁区2022届高三上学期一模数学试题(已下线)专题14 复数(模拟练)(已下线)押全国卷(文科)1—2题 集合与复数-备战2022年高考数学(文)临考题号押题(全国卷)(已下线)押全国卷(理科)1—2题 集合与复数-备战2022年高考数学(理)临考题号押题(全国卷)(已下线)第七章 复数 (练基础)(已下线)7.2.2 复数的乘、除运算 (精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)专题5.3 复数(能力提升卷)-2021-2022学年高一数学北师大版2019必修第二册
名校
解题方法
7 . 已知平面非零向量
满足
,则对于任意的
使得
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e356b83370ef5437f62e5ae32650652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e54b4facebd35e1dd04d12ad38904b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec655f610928ca21831e26645a21e99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beee5a2ecfaf73bc31727d4c97e4a32.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-06-01更新
|
1922次组卷
|
3卷引用:上海市浦东复旦附中分校2023-2024学年高三下学期3月月考数学试题