名校
解题方法
1 . 如图所示,可以将钟楼看作一个长方体,四个侧面各有一个大钟,则从8:00到10:00这段时间内,相邻两面钟的分针所成角为
的次数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次
解题方法
2 . 如图,在四棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37602d9cd4957b2b2908c64b466e65a4.png)
,
为棱
的中点,
平面
.
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
(2)求证:平面
平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37602d9cd4957b2b2908c64b466e65a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d41056df7af667755afade885de3eb.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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9068f29d671d76d1e95ba3a4eaff5b96.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
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解题方法
3 . 在棱长为2的正方体
中,
分别是
,
,
的中点,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9369aed2d8309af46ac3eaffb9cce537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
A.![]() ![]() |
B.![]() ![]() |
C.多面体![]() |
D.平面![]() ![]() |
您最近一年使用:0次
2024-06-11更新
|
1011次组卷
|
4卷引用:福建省宁德市博雅培文学校2023-2024学年高一下学期5月月考数学试题
福建省宁德市博雅培文学校2023-2024学年高一下学期5月月考数学试题江苏省南通市2023-2024学年高一下学期5月质量监测数学试题(已下线)6.5.1直线与平面垂直-【帮课堂】(北师大版2019必修第二册)陕西省西安市南开高级中学2023-2024学年高一下学期五月月考数学试卷
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4 . 已知函数
的图象在
处的切线过点
.
(1)求
在
上的最小值;
(2)判断
在
内零点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c658fcc638032c851f306a7344633a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230b59c53740bcdd3ceca2cd9f860a7b.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aecfa6fa4f19b36faec90efba4fe2f7.png)
您最近一年使用:0次
2024-06-10更新
|
635次组卷
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4卷引用:2024届福建省宁德市普通高中毕业班五月质量检测数学试题
名校
解题方法
5 . 已知复数
(
且
,
为虚数单位),若
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6054ad28b3fc2ef2ff5d811705a9af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1c7e5c911b63ed512041c9ea943365.png)
A.![]() |
B.![]() |
C.![]() |
D.若复数![]() ![]() ![]() ![]() |
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2024-06-08更新
|
490次组卷
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3卷引用:福建省宁德市博雅培文学校2023-2024学年高一下学期5月月考数学试题
6 . “杨辉三角”是二项式系数在三角形中的一种几何排列.从第1行开始,第n行从左至右的数字之和记为
,如
的前
项和记为
,依次去掉每一行中所有的1构成的新数列2,3,3,4,6,4,5,10,10,5,...,记为
,
的前
项和记为
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1829194a3ae731497284f8935ceac4.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/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 坐标平面
上的点
也可表示为
,其中
为
轴非负半轴绕原点
逆时针旋转到与OP重合的旋转角.将点
绕原点
逆时针旋转
后得到点
,这个过程称之为旋转变换.
(1)证明旋转变换公式:
并利用该公式,求点
绕原点
逆时针旋转
后的点
的坐标;
(2)旋转变换建立了平面上的每个点
到
的对应关系.利用旋转变换,可将曲线通过旋转转化为我们熟悉的曲线进行研究.
(i)求将曲线
绕原点
顺时针旋转
后得到的曲线方程,并求该曲线的离心率;
(ii)已知曲线
,点
,直线AB交曲线
于
,
两点,作
的外角平分线交直线AB于点
,求|FM|的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f769907ad11c909d27dd855bf0914592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1029aaebd18d54c2c4d83219ccabc17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3682b5a7157ec7cf8b265bf0d1025c.png)
(1)证明旋转变换公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623c5066668a603bb3d9a8fe05a9e5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca401344cfe39388623409fed20243b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f8906c9d7ce68defb89848faa531ca.png)
(2)旋转变换建立了平面上的每个点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f8906c9d7ce68defb89848faa531ca.png)
(i)求将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89034582719fefec243548a3b5e5a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(ii)已知曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a721040f609e2d77d72b5deba330e58f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fecb5caa69f91798f56550bdba335c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36719f1e764ee0e719b65c49fae84677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
8 . 已知
是两个复数,下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d860cb86e1467ac24010aecfc7a425.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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解题方法
9 . 函数
,若关于
的不等式
有且仅有三个整数解,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728f2cc68f8ca8ef2faa681785798259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d270fb22500871618da3bc462426d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-14更新
|
720次组卷
|
4卷引用:2024届福建省宁德市普通高中毕业班五月质量检测数学试题
2024届福建省宁德市普通高中毕业班五月质量检测数学试题(已下线)5.3.2函数的极值与最大(小)值(2)江西省宜丰中学2024届高三下学期模拟预测数学试卷(已下线)第三章 一元函数的导数及其应用(测试)
名校
10 . 已知曲线
和圆
有2个交点,则实数
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e35b9f4c6a8ad43e30a5834b0fd3705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-14更新
|
341次组卷
|
3卷引用:2024届福建省宁德市普通高中毕业班五月质量检测数学试题