名校
1 . 设
,
且
的夹角为钝角,实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90f485e4afe50f7e85efc3dce207cd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99204cc0147faef5556ac86e805ce74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
2 . 已知
,若
与
夹角为锐角,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065f7b523efdd46d8a06dac287fb6ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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真题
解题方法
3 . 已知
,且
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e533b8b204982c7d42001a20b9548a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
4 . 已知向量
,若
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc2145bfc9ae2e53323a1c21c5dff68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d18099c20bd2ce19950f37538f2c56a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . 已知向量
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ ;若
,则向量
与
的夹角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157a894088b095cb5c82691d4d64314d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f622a667018a0a1b7b9334909c136090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b4cf9cd1d12fd577dad52f462b2bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
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名校
解题方法
6 . 若向量
与单位向量
的方向相同,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c56bd77e10fa9f8952c0660c1fce5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4090e8ad8d7d99056c4a143a5eb4fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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名校
解题方法
7 . 若向量
与向量
是共线向量,则实数
=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf0c8e2310644e12811b549f73afcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34a97e4d59095d79e6344d04b0f927b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7日内更新
|
28次组卷
|
2卷引用:四川省峨眉市第二中学校2024届高三适应性考试暨押题数学(文)试题
名校
解题方法
8 . 已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61df6db5f13202396a800df639732c9b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e139e7cec9ef14acedae556ebcd9fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0601da78869330b870d420dbebc674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2558ead24d56fb372fef95c10fddd3fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61df6db5f13202396a800df639732c9b.png)
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名校
解题方法
9 . 已知平面向量
,
,若
∥
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5155d4ff2fbef254d632ec03375534db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6690a6b6cbb77c76225dba586d97a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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名校
解题方法
10 . 若
,
,
三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189379ea34c0297642623a63a110febd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1282cc43ebf4b459832fec04d805989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9988951f970f0195a18cccc981e0d6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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