若
三点共线,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d2f0c781abd0e3e4fc9a899899ccc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
21-22高一·湖南·课后作业 查看更多[2]
更新时间:2022-02-22 10:51:25
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【知识点】 由向量共线(平行)求参数解读
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知向量
,
.
(1)若
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72754910e83e95c8bc89c477176e8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb90254a1b432e654bb005c8f7cdca2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】平面内给定三个向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3536c94ed9e9f7a442ed1b8cbac6ecd3.png)
(1)求满足
的实数
的值;
(2)若
,求实数
的值;
(3)求向量
在向量
上的投影向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3536c94ed9e9f7a442ed1b8cbac6ecd3.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36992278e19af2a1bc4fce331c9e20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5287b7fce93385e6f3bc31a30d0a8410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐3】如图,已知
中,点
关于点
的对称点为
在线段
上,且
和
相交于点
.设
.
(1)用
表示向量
.
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61376a29e8012595e56a418ee8c507f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211429ce394297f664f6b8e16edec714.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/32a69356-847e-42a7-a27f-577e80e2506a.png?resizew=151)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de92206d9c5afc2056f16086346a877e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0421480e99ea91807e36a113237ba8ae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c70d3674afde7efd0bbafc68e50b828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次