名校
解题方法
1 . 已知
,
是不平行的向量,设
,
,则
与
共线的充要条件是实数k等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2868a9fe011f56a80c9d1a8ee4604d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fe4e713c108e118522a99ecd683924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6db8fe7bbdfa4615dcee98d09a5c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279c967cd1d905cd1a4ade0de4965520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
2020-02-14更新
|
374次组卷
|
2卷引用:上海市徐汇区南洋模范中学2016届高三上学期9月摸底数学试题
2 . 若
,
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab2f7a98f6d9e4369594c70bac5b17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7896a595589174728701f6b4e4e99325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3854a1870df3dfab871bb1b15d41cb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
2019-11-10更新
|
199次组卷
|
3卷引用:沪教版(2020) 必修第二册 领航者 第8章 平面向量 每周一练(2)
9-10高一下·辽宁大连·期末
3 . 已知平面内三个向量:
.
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91423dcb063e4fdb10c17a7f2cbaa702.png)
(1)若
∥
,求实数
;
(2)若
⊥
,求实数
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3c4c8c025e94b4f5e8f2c372abd979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d050745038feec8be6ea7fca89286e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91423dcb063e4fdb10c17a7f2cbaa702.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e034bd45aecbc01b57ea48737dd7d1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f6db986f01d35f9fdb24e066a4eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e034bd45aecbc01b57ea48737dd7d1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955f6db986f01d35f9fdb24e066a4eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2016-11-30更新
|
1556次组卷
|
5卷引用:上海市青浦一中2018-2019学年高二上学期期终学业质量调研测试数学试题
上海市青浦一中2018-2019学年高二上学期期终学业质量调研测试数学试题(已下线)上海期末真题精选50题(大题基础版)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)(已下线)辽宁省大连市长海高中09-10学年高一下学期期末考试数学试题(已下线)2010年辽宁市长海高中高一下学期期末考试数学卷山西省朔州市怀仁县怀仁一中云东校区2019-2020学年高一下学期期中数学(理)试题