名校
1 . 已知空间三点
、
、
,设
,
.
(1)设
,
//
,求
.
(2)若
与
互相垂直,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848ad58fa1ac47f7033f59db46e30c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5ea42e75c6b957941b4b250ed9eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92de650d73e91e02d52c757ba65dd545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc98286b366fbe80fcbd7482f50d120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835c0ad9e5443bf589aa786f57d561db.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a703a63772edad57ca872a3bc8a5abf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da92a2fc2ce861e82f7192fe4e648f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524594bf0942ed86f56fc1eee120a81a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d742002d71c5f36a1033fe5281635fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf922bc3fca4eb790cb4fad3cc015de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15befbdad977723a86194979c675ee5d.png)
您最近一年使用:0次
2018-03-15更新
|
632次组卷
|
7卷引用:黑龙江省齐齐哈尔市第八中学校2022-2023学年高一下学期期末数学试题
名校
2 . 已知条件
,条件
,若
是
的充分不必要条件,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d332a4766f27979436621194b4b9078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a39463a8260de5c695ee4c444177dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-06-03更新
|
1082次组卷
|
7卷引用:黑龙江省齐齐哈尔市龙沙区2022-2023学年高一上学期期末数学试题