名校
1 . 已知向量
,
,
,若
三个向量共面,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b014d00c7730189d08d0af9ac76f465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62db793887f54878fd020cd5d09811d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9acbd3d31d44fd6b76987baa09d9105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2024-06-05更新
|
137次组卷
|
2卷引用:河北省衡水市郑口中学2024届高三第三次质量检测数学试题
名校
解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5753fa31b83a4dd81d65b50dd49ed6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
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2024-04-11更新
|
528次组卷
|
7卷引用:河北省衡水市郑口中学2023-2024学年高一第四次质量检测数学试题
名校
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bf77c7d1d6c962297fe7d7622ac2f8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb885a5b92767aa3dd7b3ca28c3488ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bf77c7d1d6c962297fe7d7622ac2f8.png)
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2024-04-01更新
|
186次组卷
|
3卷引用:河北省石家庄市精英中学2023-2024学年高二上学期第一次调研考试数学试题
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解题方法
4 . 如图,已知椭圆
的左、右焦点分别为
,过椭圆左焦点
的直线与椭圆
相交于
两点,
,
,则椭圆
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324199c6751f2e0e6d8542783b0d957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c388f94adc940de0fd317d00b3cd9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040b10c7d1c56f08e3d31a61195c689a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/a1e3ab5b-2a04-417e-aeee-b7ba4905e233.png?resizew=165)
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2024-01-25更新
|
322次组卷
|
5卷引用:河北省郑口中学2023-2024学年高二第三次质量检测数学试题
名校
解题方法
5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab62dd491324c5b02c60d9d69688b4a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc09632dc66ec6105282539aa454fc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab62dd491324c5b02c60d9d69688b4a.png)
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解题方法
6 . 已知平面向量
,
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03d4423c21204d305a5042799984973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ce91daa4c77cf376667638804c7163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210f0706507105920ebfdceadd0926d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5072e817a6b9a062730d22af64a8314c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2206a25961dd83ad59896d25ea293b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
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解题方法
7 . 已知函数
,若
,则实数
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0ec1f297266549f3b8b9eb057d48e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425afd795d2a0234310513f3d3450052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-01-23更新
|
313次组卷
|
4卷引用:河北省辛集市第三中学2023-2024学年高三上学期第一次月考数学试题
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8 . 已知集合
,则
的真子集的个数是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef28ef83d8fac821a0f182da4e4707d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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9 . 双曲线
的渐近线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8647fceb7ddac1f107e7d556bc167.png)
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2024-06-11更新
|
63次组卷
|
2卷引用:河北省郑口中学2023-2024学年高二第三次质量检测数学试题
名校
10 . 在
中,
,
,
,
,
为
上一点,且满足
,若
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c9ba21933a3ac9f13936183443e8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b091c6a44e3ae2323c6830975471a137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae64fb5b50398f3147e96e8648b3d5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
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