1 . 如图,在四棱柱
中,四边形
是平行四边形,
,
,
,
,
为
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/65110a90-a035-447d-a6b6-2bc1b1cbee32.png?resizew=169)
(1)过点
作四棱柱的截面使其与面
垂直,并予以证明;
(2)若平面
与平面
的夹角的余弦值为
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c078a10649b3a953631690021aa59879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fc4baf66de980a95f267051e6b190d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/65110a90-a035-447d-a6b6-2bc1b1cbee32.png?resizew=169)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf9628142422a4884bd59538da6d312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924d32b574fe69e43724304cf39513e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35ac94f0ea5d79ae4530f5a3116f670.png)
您最近一年使用:0次
2023高三·全国·专题练习
2 . 若
及
其中
称为
对模
的逆或数论倒数.整系数多项式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a38ef6649d66b944114136fa7998b4.png)
求证:同余方程
与同余方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9eb09603ea1402cc10072760f2332a.png)
等价.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df290207726c230f7dfd8112ba77eceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88134bf9ff08febea1840fc819f0dbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3a01cff2e96551c8de04fdd3c262fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a38ef6649d66b944114136fa7998b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2525e19b39e8494786cb3ab46caaf9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16cee18621c813f28a88668be785f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9eb09603ea1402cc10072760f2332a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfe2cf150396674cb1930e6062a3e7c.png)
您最近一年使用:0次
3 . 已知函数
.
(1)用定义证明函数
在
上是减函数,在
上是增函数;
(2)当函数
有两个大于0的零点时,求实数k的取值范围;
(3)若不等式
对
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5748527c15e370dcf4230ad2d0e1b5.png)
(1)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
(2)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3ea50501022a70b3f6d9ead781193b.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49365ab5095e276cb100896cbb52b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafce249be1aeee0581417db4ce841db.png)
您最近一年使用:0次
2019-10-18更新
|
1423次组卷
|
3卷引用:新疆维吾尔自治区乌鲁木齐市第六十一中学2024届高考复习必修一练习卷
新疆维吾尔自治区乌鲁木齐市第六十一中学2024届高考复习必修一练习卷2019年10月安徽省”皖南八校“高三摸底考试数学(文)试题(已下线)期末押题测试卷(一)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)