1 . 若项数均为
的两个数列
满足
,且集合
,则称数列
是一对“
项紧密数列”.设数列
是一对“4项紧密数列”,则这样的“4项紧密数列”有( )对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432a8b1081ecb4a8c4943faad484541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54946204c502727ffaee3c0172d195a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f11437ef2c39a14cffb0d36c8d9c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
解题方法
2 . 直线
与双曲线
的左、右两支分别交于
两点,与
的两条渐近线分别交于
两点,
从左到右依次排列,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4a83da13cbff23132c2a521816b23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aca012edb70957a7a108d42832c5a4f.png)
A.线段![]() ![]() | B.![]() |
C.线段![]() | D.线段![]() |
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解题方法
3 . 在等腰梯形
中,
,若
,则梯形周长的最大值为______ ,梯形面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813d14803196f2fc6583b71db3358256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
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4 . 如图,已知椭圆
的左右焦点为
,短轴长为
为
上一点,
为
的重心.
的方程;
(2)椭圆
上不同三点
,满足
,且
成等差数列,线段
中垂线交
轴于
点,求点
纵坐标的取值范围;
(3)直线
与
交于
点,交
轴于
点,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d88b5cd7a98235acbddeaf1f71dd6ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f8a2cda866511fd74494276e8a75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f36e9514f3796963d6c92998e4d9ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28855a0db693584aabac1df99dfade3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ff27dc46db23180a92d7f020fc2aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b37033fc9a21416e822fed6b937a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd40f44c911918ee3638eb1a24bb1bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d5be35473d180785dbbe4ddcde6d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
解题方法
5 . 已知集合
且
,若
中的点均在直线
的同一侧,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8892c70febbbced59d19e9c2eeaeba83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435f47f6e6b75ebcab948d15889e5d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66719cddfed0197a80bdfbe48cdb3cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-16更新
|
1291次组卷
|
3卷引用:安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题
安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题浙江省宁波市2023-2024学年高三下学期高考模拟考试数学试题(已下线)压轴题01集合新定义、函数与导数13题型汇总-2
解题方法
6 . 已知点
,
,
,
,
,
都在同一个球面上,
为正方形,若直线
经过球心,且
平面
.则异面直线
,
所成的角最小为( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b61346bd4091070ba84a4046f87f365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 已知函数
是定义在
上的可导函数,其导函数分别为
,其中
的图象关于点
对称,
的图象关于直线
对称,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a290d6204cec463ca2083cc899787fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afcd1a90bb498e48fc164edf3f81b55.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 已知椭圆
的离心率为
,点
在椭圆
上,过点
的直线
与椭圆
交于A,B两点,直线PA,PB与直线
分别交于点M,N
(1)求椭圆C的方程;
(2)若T为椭圆
的上焦点,求
面积取得最大值时直线
的方程;
(3)若
的外接圆经过原点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04443a0c1cf4808aea741c9f9379b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56acb1c9155a900436564e5b89ce04d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f111e629e0b5cf27a570a5fd1714f4d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ff39dd1dfc9caf911ad0d11ba21d66.png)
(1)求椭圆C的方程;
(2)若T为椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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9 . 已知S是全体复数集
的一个非空子集,如果
,总有
,则称S是数环.设
是数环,如果①
内含有一个非零复数;②
且
,有
,则称
是数域.由定义知有理数集
是数域.
(1)求元素个数最小的数环
;
(2)证明:记
,证明:
是数域;
(3)若
是数域,判断
是否是数域,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9862bd95f5984d277bffec774aaf04eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4034552829008c1daaee2701d2afe8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add287d65098cf6afc04da8d55c8e2a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb0cbda87a5e26ceb063d749533eb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c412d5329ba909164329663b7eecdfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4c4892e431f6bd8f9dfb7b593653b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
(1)求元素个数最小的数环
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4defd79134fced9d2beaba395d4994dd.png)
(2)证明:记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23f5d67f2aed1d240a62c192fe97f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca8142445fb86f9404c814a8067db48.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cfa8cb6d43bc7fbec75c27b6285fff.png)
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10 . 已知不等式
对任意
恒成立,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858f60ae4001f50f0841fb90c4bdd2d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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