1 . 设向量
,
的夹角为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67abf48f97b85195194a5338c72596af.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2396cac4b185cf1f1a67dad9248481c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67abf48f97b85195194a5338c72596af.png)
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解题方法
2 . 已知球O的半径为4,平面
,
与球面分别相交,得圆C与圆D,AB为圆C与圆D的公共弦,若
,
,则点O到直线AB的距离为______ ,四面体ABCD的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e315d525af44daca685149d7d1a51e.png)
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解题方法
3 . 已知O为坐标原点,F为抛物线
的焦点,椭圆
,记P为抛物线与D在第一象限的交点,延长PO交D于Q,若
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc72ca411e884f643d47e5c6961a891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6196f68aa254e0bc1061551d47bb934c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adccd1dd14171c8c29d4a3836728c0f.png)
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解题方法
4 . 已知集合
,
,若
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ce184dfad1eb1866a48acbcf14c405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2f108cc5e94dab817d83ab7a1103d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-08更新
|
602次组卷
|
3卷引用:辽宁省丹东市2024届高三下学期总复习质量测试(一)数学试卷
名校
解题方法
5 . 在数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684e7aa0a6fecf41b2f20b33f81ecf70.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7327623bc5c1dc8071c0869bac3af36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684e7aa0a6fecf41b2f20b33f81ecf70.png)
您最近一年使用:0次
2024-02-29更新
|
481次组卷
|
3卷引用:辽宁省丹东市凤城市第一中学2023-2024学年高二下学期第一次月考(4月)数学试题
名校
6 . 已知函数
在区间
上有两个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a5fbf9884d999858eb55e5c4b892bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ca681ae72055316ef35c01fdb27034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-29更新
|
887次组卷
|
3卷引用:辽宁省丹东市2023-2024学年高一上学期期中教学质量调研测试数学试题
解题方法
7 . 函数
的定义域是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c30d8e57eb81a5af2bc68e25956596b.png)
您最近一年使用:0次
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc853dcf891f7df5e962ee604f0e8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
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解题方法
9 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe68a3d271b9790b4b073c9256fc3c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1c398c94bc3626c47c9ca8a248a29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
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解题方法
10 . 已知x,y,z为正实数,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40817ba3acdb215a69a91d5c0f0839ca.png)
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