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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3 . 在平面直角坐标系
中,
为坐标原点,动点
在直线
上运动,动点
在直线
上运动,
为平面上的一个动点,记
,
,
.
(1)若
,
,求
与
夹角的余弦值;
(2)若
,求
的取值范围;
(3)若点
,且满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95dc642eb6d03682732229852d337d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98efe3f981c7b6524a9cff7381624b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75561ca2ccf1fc9a938d4ce0891712d2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f20f723485b20d32298961be4c7970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88e8278d12097ff726d90b0cd86078f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3067e361a380aecb535ccbb51025d0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88451afc05ae8882392e0bf6ea5809a4.png)
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解题方法
4 . 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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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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解题方法
6 . 已知双曲线
过点
且与双曲线
有共同的渐近线,
,
分别是
的左、右焦点.
(1)求
的标准方程;
(2)设点
是
上第一象限内的点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db784004e82c64c5f290e52b6c27056a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3eadb24687aacbe863534bfa599b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34005d3b709a89e3db6bb786bbfb2369.png)
您最近一年使用:0次
2024-02-14更新
|
1041次组卷
|
4卷引用:2.3.2 双曲线的性质(二十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
(已下线)2.3.2 双曲线的性质(二十二大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)上海市向明中学2023-2024学年高二下学期期中考试数学试题1号卷·A10联盟2022-2023学年(2021级)高二上学期11月期中联考数学试卷(北师大版)江西省部分学校2023-2024学年高二下学期3月月考数学试题(九省联考新题型)
7 . (1)如图,在
中,
为
边上的高,
,
,
,
,求
的值;
(2)如图,半径为1,圆心角为
的圆弧
上有一点
,若
、
分别为线段
、
的中点,当
在圆弧
上运动时,求
的取值范围;
(3)已知等边三角形
的边长为
,
为三角形
所在平面上一点.求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c397bc7f7b3de2c8182c3fbe94fd5ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479b92748316648bb70a953f06902eb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/12/f4cc2540-9f22-4398-858e-ea1bf404dd07.png?resizew=174)
(2)如图,半径为1,圆心角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff5bb943e2d1bf24e53e81739a891a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1239d20fa03551421f0949d878fe541.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/12/1809501f-7388-40e2-a1e0-29edd395f10c.png?resizew=163)
(3)已知等边三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6168365c0ea2b1036ed0c0e6b099bf81.png)
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8 . 如图,已知
为平行四边形.
,
,
,求
及
的值;
(2)记平行四边形
的面积为
,设
,
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8ffec55dc1c43b460a8fef3a468d6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7872abd162e356132bb371fc581d818c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b0246acc9bed97eef80edc52bcb37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8bad16b7cdf8c638cd324f5be5d834f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a10f2c4a2a9c9cb4047f9f27cff1d7a.png)
(2)记平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1018d072c74bd0f5f013002751e16668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f021b99eb4724a997686d8ab1585382b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187d580a038d49b541c40a7e56b60c17.png)
您最近一年使用:0次
2023-07-08更新
|
544次组卷
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4卷引用:上海市黄浦区2022-2023学年高一下学期期末数学试题
上海市黄浦区2022-2023学年高一下学期期末数学试题(已下线)专题02 平面向量-《期末真题分类汇编》(上海专用)江苏省无锡市辅仁高级中学2023-2024学年高一下学期3月月考数学试卷(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
解题方法
9 . 如图,平面向量
与
是单位向量,夹角为
,那么,向量
、
构成平面的一个基.若
,则将有序实数对
称为向量
的在这个基下的斜坐标,表示为
.
(1)记向量
,
,求向量
在这个基下的斜坐标;
(2)设
,
,求
;
(3)请以(2)中的问题为特例,提出一个一般性的问题,并解决问题.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8df6d6a87e4c3f2ecf22dd0679ad756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43281a536a92e4a55addc59764403a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8707ac2ad1d6c28b1dea9eb49c76e286.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/a6db2027-ea6e-43b4-894f-c0952d651535.jpg?resizew=186)
(1)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeadcb8f9a35f195369de2572573f726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340288ed4644a36a67baa0c36351ae8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90cfe3cef5cc8fe4ccded02c3e822486.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadea8b7ad0887a74438bfbca421eb78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(3)请以(2)中的问题为特例,提出一个一般性的问题,并解决问题.
您最近一年使用:0次
名校
解题方法
10 . 已知
是坐标原点,
,
(1)求向量
在
方向上的投影向量的坐标和数量投影;
(2)若
,
,
,请判断C、D、E三点是否共线,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1483e8351f585ca23025ec0c46f0a6e.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba0ea537c4145d273b81ada981ee3d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4600168dd0570abb535b7c15af66ddf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b594e00f9aad4faf4907ec01f8112eb5.png)
您最近一年使用:0次
2023-04-27更新
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797次组卷
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2卷引用:上海市松江二中2022-2023学年高一下学期期中数学试题