1 . 在平面直角坐标系中,已知两个定点
,动点
满足
,设动点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
作两条互相垂直的直线与曲线
分别交于点
,求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf1db3d608d81245f34a0d7b1aaab2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed40bce11976e6d1a7274116c69c379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d6dc34b0b71d46a91eb8dd8db01f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c0499542c93bec4a2dd8b0354459a3.png)
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2024-01-21更新
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2卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
名校
解题方法
2 . 已知函数
.
(1)当
时,证明:
.
(2)试问
是否为
的极值点?说明你的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3eb38deba5a3008e2ee5026b7d2865.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99923994f2c1721fc07450b4b9656980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c5fdeae3d9934cbc3f916bd7fbf496.png)
(2)试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-01-09更新
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4卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
名校
解题方法
3 . 已知公差不为0的等差数列
的首项
,且
成等比数列,记
的前
项和为
.
(1)求
的通项公式及
;
(2)记
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf8164862d934f66190637a4f9f285f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032b74193c04dd5b9b389f93de59e2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b391ab37c443721bf2d02eb95e233cb.png)
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2卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
名校
解题方法
4 . 在锐角
中,内角
的对边分别为
,已知
.
(1)求A;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689108f1e6e58a6bf525945b094a9686.png)
(1)求A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6dc66f7bed56ecbb8071f638a6ec86.png)
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2023-12-22更新
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4卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
重庆市云阳高级中学校等五校2024届高三上学期联考数学试题重庆市好教育联盟2024届高三上学期12月联考数学试题福建省部分学校2024届高三上学期12月月考数学试题(已下线)专题12 正余弦定理妙解三角形问题和最值问题 (11大核心考点)(讲义)
名校
5 . 有一位老师叫他的学生到麦田里,摘一颗全麦田里最大的麦穗,期间只能摘一次,并且只可以向前走,不能回头.结果,他的学生两手空空走出麦田,因为他不知前面是否有更好的,所以没有摘,走到前面时,又发觉总不及之前见到的,最后什么也没摘到.假设该学生在麦田中一共会遇到
颗麦穗(假设
颗麦穗的大小均不相同),最大的那颗麦穗出现在各个位置上的概率相等,为了使他能在这些麦穗中摘到那颗最大的麦橞,现有如下策略:不摘前
颗麦穗,自第
颗开始,只要发现比他前面见过的麦穗都大的,就摘这颗麦穗,否则就摘最后一颗.设
,该学生摘到那颗最大的麦穗的概率为
.(取
)
(1)若
,
,求
;
(2)若
取无穷大,从理论的角度,求
的最大值及
取最大值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f5be952cd4b2844b21df7cad1e3d7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b00f4eb7f1bd2ccefbabf0c1dfa8f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd266684a38a50f7a7925d4bb5e63e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40de5f0592b95bc8b0e9560eae5bad8d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2023-12-19更新
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5卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
名校
解题方法
6 . 如图,在长方体
中,点
,
分别在棱
,
上,
,
,
,
.
.
(2)求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25068e088bc3fc13c676fba0745825b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d27acdf2cbcb6dd59f532f8313ec629.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8035fc825a001d7d9a3dacd8271662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2023-12-19更新
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8卷引用:重庆市云阳高级中学校等五校2024届高三上学期联考数学试题
名校
解题方法
7 . 已知数列
的前
项和为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e45948012eaadd05f96e8ba11a6b8b.png)
.
(1)求证:数列
是等比数列,并求数列
的通项公式;
(2)设
,数列
的前
项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/f3e45948012eaadd05f96e8ba11a6b8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52227e660b1301ddc2c2e46d21fe04da.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c895d4ce5ce82ef9b311b9369b4de11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa750b33b6632a3efee7f1188db23a50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3fec47d2dd2b8099d86c87b6e57de8.png)
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2023-11-09更新
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3卷引用:重庆市云阳县实验中学2024届高三上学期11月检测数学试题
8 . 已知数列
的前
项和为
,且
.
(1)求
的通项公式;
(2)设
,若对任意
都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/82320e5690689c4fde2b4c4790d8d1b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724251e1570848a033e70217a14e639e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288a18c9690c22a70c25c0777e26ae82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-11-09更新
|
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3卷引用:重庆市云阳县实验中学2024届高三上学期11月检测数学试题
解题方法
9 . 在
中,内角
的对边分别为
.
(1)求
;
(2)若
,点
在边
上,且
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764cdc5a02526e94b655c91288b7e903.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc89442384b8022b2d47cd596a3177f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
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2卷引用:重庆市云阳县实验中学2024届高三上学期11月检测数学试题
名校
10 . 已知函数
,
.
(1)若
,证明:当
时,
;
(2)当
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04557ab042ce57739d7e3da3aa98494b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3dec9d2ae8a300d24f78628d62900c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee92760f27fdcf3fa2c31f88276cfa9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a936f5f8e69618261123efdd183715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165a3be7695c23aed05573b724ddac97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-31更新
|
597次组卷
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5卷引用:重庆市云阳县实验中学2024届高三上学期11月检测数学试题
重庆市云阳县实验中学2024届高三上学期11月检测数学试题重庆市名校联盟2024届高三上学期期中数学试题(已下线)第九章 导数与三角函数的联袂 专题三 含三角函数的恒成立问题 微点1 三角函数的恒成立问题(一)(已下线)第九章 导数与三角函数的联袂 专题三 含三角函数的恒成立问题 微点3 三角函数的恒成立问题(三)重庆市九龙坡区育才中学校2024届高三上学期第三次联考复习数学试题