真题
解题方法
1 . 如图所示,四棱锥
的底面
是边长为1的菱形
,
是
的中点,
底面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/aeb06c3a-e8f4-46bb-b4bb-8ff5d840f597.png?resizew=192)
(1)证明:平面
平面
;
(2)求平面
和平面
所成二面角(锐角)的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/aeb06c3a-e8f4-46bb-b4bb-8ff5d840f597.png?resizew=192)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a26a7784c7419d8359fb119c8ecc03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb31601464364be2baf4aa87404bcd.png)
您最近一年使用:0次
2 . 已知椭圆
,抛物线
,且
的公共弦
过椭圆
的右焦点.
(1)当
轴时,求
的值,并判断抛物线
的焦点是否在直线
上;
(2)若
且抛物线
的焦点在直线
上,求
的值及直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6533a2123bcaa8c7dcd36d5e3f37700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e2dbe7c46898216e14556c84ff13ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880248fa1259b2600a87f09a61287d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24624dffd30b66a5e4de57362b32b2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6969c3bb3adb66081444d84f07555f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bfd39384951877bcd9789ec535f6c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
3 . 已知函数
.
(1)讨论函数
的单调性;
(2)若曲线
上两点A、B处的切线都与y轴垂直,且线段
与x轴有公共点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b155bb9eee97faee5d44f20177471.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-11-09更新
|
1000次组卷
|
2卷引用:2006年普通高等学校招生考试数学(文)试题(湖南卷)
真题
解题方法
4 . 如图,已知两个正四棱锥
与
的高都是2,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/35af81b4-67ef-422a-9c7b-798a8c4f1daf.png?resizew=206)
(1)证明:
平面
;
(2)求异面直线
与
所成的角;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/35af81b4-67ef-422a-9c7b-798a8c4f1daf.png?resizew=206)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b61346bd4091070ba84a4046f87f365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40cae1138ce408cf7ebbe14f152d6e9.png)
您最近一年使用:0次
真题
5 . 某安全生产监督部门对5家小型煤矿进行安全检查(简称安检).若安检不合格,则必须整改.若整改后经复查仍不合格,则强制关闭.设每家煤矿安检是否合格是相互独立的,且每家煤矿整改前安检合格的概率是0.5,整改后安检合格的概率是0.8,计算(结果精确到0.01):
(1)恰好有两家煤矿必须整改的概率;
(2)某煤矿不被关闭的概率;
(3)至少关闭一家煤矿的概率.
(1)恰好有两家煤矿必须整改的概率;
(2)某煤矿不被关闭的概率;
(3)至少关闭一家煤矿的概率.
您最近一年使用:0次
6 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbf6366ac7fc028683b88b73d31edfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
真题
解题方法
7 . 如图1,E,F分别是矩形ABCD的边AB,CD的中点,G是EF上的一点,将
分别沿AB,CD翻折成
,并连接
,使得平面
平面ABCD,
,且
,连接
,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/33851505-64b4-4f3c-acf8-c02b72f7e1e1.png?resizew=421)
(1)证明:平面
平面
;
(2)当
时,求直线
和平面
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21f7392b348717bad30167d87f959d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64bf472d11d49b130b5fe3aabd3feeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af9a10717d214e599ee121de74bf451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80aecacfa887e53407eb02a32f510ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1101659bacb66165c5293e6baaf64571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88c0117b251e91cd16feaa1144cd78e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77914a4462c30293bef6f989ade88ff.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/33851505-64b4-4f3c-acf8-c02b72f7e1e1.png?resizew=421)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80aecacfa887e53407eb02a32f510ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4836fb713073d6843503549591d894c7.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f25a517b3948d74a4b8fdbf66f8c879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77914a4462c30293bef6f989ade88ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4836fb713073d6843503549591d894c7.png)
您最近一年使用:0次
真题
8 . 如图,已知两个正四棱锥
与
的高分别为1和2,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/cbd9fa58-be46-4261-a7f5-915183231f1b.png?resizew=232)
(1)证明:
平面
;
(2)求异面直线
与
所成的角;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/cbd9fa58-be46-4261-a7f5-915183231f1b.png?resizew=232)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b61346bd4091070ba84a4046f87f365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40cae1138ce408cf7ebbe14f152d6e9.png)
您最近一年使用:0次
真题
9 . 已知函数
(a为正常数),且函数
与
的图象在y轴上的截距相等.
(1)求a的值;
(2)求函数
的单调递增区间;
(3)若n为正整数,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a86da8d6deadb069d0696506891b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(1)求a的值;
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfcc567b95a320abcb25509923cd001.png)
(3)若n为正整数,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e8e5b71f94363cb784224577b68740.png)
您最近一年使用:0次
10 . 已知函数
,其中
,e为自然对数的底数.
(1)讨论函数
的单调性;
(2)求函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899edc896c21bdd95d6ea02eb6080419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
您最近一年使用:0次
2022-11-09更新
|
1059次组卷
|
5卷引用:2004 年普通高等学校招生考试数学(理)试题(湖南卷)
2004 年普通高等学校招生考试数学(理)试题(湖南卷)湖南省常德市第一中学2023-2024学年高三上学期第二次月考数学试题(已下线)5.3.2函数的极值与最大(小)值(同步练习)-【一堂好课】2022-2023学年高二数学同步名师重点课堂(人教A版2019选择性必修第二册)(已下线)考点18 导数的应用--函数最值问题 2024届高考数学考点总动员(已下线)2.6.3函数的最值(分层练习)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)