2024·新疆·二模
名校
解题方法
1 . 如图,在锐角
中,内角A,B,C的对边分别为a,b,c,若
,且
,D是
外一点且B、D在直线AC异侧,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19acddff4cb3831a8e8974e532c05242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3822ef386fe5838e6bda918b626ea514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b466f14067ec8653e2cbbb2684245b.png)
A.![]() |
B.若![]() |
C.四边形ABCD面积的最小值为![]() |
D.四边形ABCD面积的最大值为![]() |
您最近一年使用:0次
2024-06-03更新
|
697次组卷
|
5卷引用:新疆部分地区2024届高三高考素养调研第二次模拟考试数学试题
(已下线)新疆部分地区2024届高三高考素养调研第二次模拟考试数学试题2024届新疆维吾尔自治区塔城地区高三第二次模拟考试数学试题湖北省鄂州鄂南高中2024届高三下学期高考模拟考试(一)数学试卷(已下线)期中考试押题卷-【帮课堂】(苏教版2019必修第二册)山东省淄博市实验中学2023-2024学年高一下学期第一次模块考试(期中)数学试题
名校
解题方法
2 . 已知椭圆
的左焦点
,点
在椭圆
上,过点
的两条直线
分别与椭圆
交于另一点
,且直线
的斜率满足
.
(1)求椭圆
的方程;
(2)证明直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63587f0178ca6f60d893e2e29d231a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d059a0d71bddb677c603d84fac444b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86d920459c8efe08d73807772a0efc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8b196ae90f5bb109698dd7bcfc510f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)证明直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2024-05-11更新
|
1249次组卷
|
5卷引用:新疆喀什地区2023-2024学年高三下学期4月适应性检测数学试题
新疆喀什地区2023-2024学年高三下学期4月适应性检测数学试题(已下线)数学(江苏专用03)(已下线)2024年高考全国甲卷数学(文)真题平行卷(基础)(已下线)2024年高考全国甲卷数学(理)真题变式题16-23 天津市第四十七中学2023-2024学年高二下学期5月期中数学试题
3 . 已知函数
的定义域均为
为
的导函数,且
,
,若
为偶函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b7ca73c28f9360c54b3f534a80dc6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11bce65a73ba0eddaf389c5907c3b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9029cb80ee4de5fee8bf337ee83f14e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd92d1e1d9bdcffd18ea195b06b71dd.png)
A.2 | B.1 | C.0 | D.-1 |
您最近一年使用:0次
4 . 已知复数
满足
,则复数
的共轭复数的模
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178e564f202351e955a946fb60b7e279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a176cfc17acf73eba234dfccadd8f1e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67fa44cbf5baed4b99d91d999aee221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知正项等比数列
的前
项的和为
,满足
,则公比
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ac5da737127e068180208a8a69b62b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d99fef1aa4dbcc6dc7b30b7d2c9a9.png)
A.1或3 | B.![]() | C.1或![]() | D.1 |
您最近一年使用:0次
7 . 如图,在四棱锥
中,底面
为等腰梯形,
,且平面
平面
为
的中点.
平面
;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15728316d0626e5fbf897eb6343c7c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83511375ec2780ceb9ac603420249ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba8f7af0e091e082100c3cd7f8c487f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422210c777ac0d625bbd81cc7601bf9b.png)
您最近一年使用:0次
解题方法
8 . 已知函数
,其中
,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e8c7cf9c8ffd2a6dadbe14bbaf7ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a297d9b18487cde772be5c7d2676b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27dc82e2875183307b50a7795326a91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
您最近一年使用:0次
解题方法
9 . 在直角梯形
中,
且
与
交于点
,则向量
在向量
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccf670663029e909e49d944bb95ca4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc82b2473d4295b1f6351c46b7f1fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac91f2148da45a1dd1052ddd47fa99a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fba6d12384c3a693ca1277d5177ad07.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次