2023高三·全国·专题练习
1 . 求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128b0e24218ba114deca6be7ca01e22b.png)
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2023高三·全国·专题练习
2 . 已知
对任意
成立,则不超过
的最大整数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfba35c28995185678c21ef92c936642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b809c7fd4d5d853c923bfa2e5a855d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a16b559188ea0a2d12f20aceaca98c.png)
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3 . 设a、b、c为正数,且
.对任意整数
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56667aabbe787eb1c3189d487d203e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67607f57e1cd6f8ecc522e81c6c9383d.png)
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2023高三·全国·专题练习
4 . 若
对任意正实数
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e441a78e0ec0b98bfbe8fc478243b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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5 . 如图,直线k过圆O的中心,直线
,垂足为M,直线l上不同的三点A,B,C在圆外,且位于直线k上方,A点离M点最远,C点离M点最近,AP,BQ,CR为圆O的三条切线,P,Q,R为切点,试证:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/894704d3-9f13-4cc7-9bd4-c1b3a1b5400c.png?resizew=228)
(1)l与圆O相交时,
;
(2)l与圆O相离时,
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3f2e7ebe1d90ccde6d385185c88c61.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/894704d3-9f13-4cc7-9bd4-c1b3a1b5400c.png?resizew=228)
(1)l与圆O相交时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038927d5acaccbefff48a43c3c002d33.png)
(2)l与圆O相离时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153a0382f05239a3f343b6768a2bd8d6.png)
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2023高三·全国·专题练习
6 . 已知P为
内部或边上一点,P到三边的距离分别为PD,PE,PF,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e48f5557c4d3ea616caee0f0324f48b.png)
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名校
7 . 已知函数
,
,
(1)求函数
的单调区间;
(2)若关于x的不等式
在
上恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63458621b358145f54e0512adfe1ab4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc42c583618703c137bea4b3c05b85f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
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2023-04-05更新
|
1249次组卷
|
6卷引用:专题07 导数
(已下线)专题07 导数(已下线)专题20利用导数研究不等问题(已下线)专题16 押全国卷(文科)第20题 导数(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4 三角函数的恒成立问题综合训练辽宁省鞍山市2023届高三第二次质量监测数学试题辽宁省沈阳市第一二〇中学2023届高三下学期第十次质量监测数学试题
8 . 已知数列
.给出两个性质:
①对于
中任意两项
,在
中都存在一项
,使得
;
②对于
中任意连续三项
,均有
.
(1)分别判断以下两个数列是否满足性质①,并说明理由:
(i)有穷数列
:
;
(ⅱ)无穷数列
:
.
(2)若有穷数列
满足性质①和性质②,且各项互不相等,求项数m的最大值;
(3)若数列
满足性质①和性质②,且
,求
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
①对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94dff1e3553e94f1fb3ee7b18783a0cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f255d0395fba51ca2d44293cca42e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab406d94b4907ab8a20ae3214628b045.png)
②对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7436246d4d71d4dc4bf5e5cd2111fb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f870d522df7021a1fa95b1ca6ebf03cd.png)
(1)分别判断以下两个数列是否满足性质①,并说明理由:
(i)有穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d956c721401a5718774f4882ad102e.png)
(ⅱ)无穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1dd18ce8d2c857b0e7fbde506ca200.png)
(2)若有穷数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8903a6502a7ff3e5d3f04042b0c47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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2023-04-04更新
|
1466次组卷
|
4卷引用:专题12压轴题汇总(10、15、21题)
名校
解题方法
9 . 已知双曲线
的一个焦点为
为坐标原点,过点
作直线
与一条渐近线垂直,垂足为
,与另一条渐近线相交于点
,且
都在
轴右侧,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e878225a144532f7b44b84892b22fe6.png)
(1)求双曲线
的方程;
(2)若直线
与双曲线
的右支相切,切点为
与直线
交于点
,试探究以线段
为直径的圆是否过
轴上的定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db0cc24753f6ea44c19c3cc49e26024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bd0b77ea4af10bc9449ca424904a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e878225a144532f7b44b84892b22fe6.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d029843d299653f58516b3a376e97f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a874ffb994aacc1cf27eb858715756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2023-04-03更新
|
2987次组卷
|
6卷引用:专题20平面解析几何(解答题)
专题20平面解析几何(解答题)(已下线)押新高考第21题 圆锥曲线(已下线)重难专攻(十)圆锥曲线中的定点问题(核心考点集训)湖南师范大学附属中学2023届高三一模数学试题广东省汕头市潮阳实验学校2023届高三下学期4月教学质量检测(四)数学试题(已下线)高二数学下学期期中模拟试题01(数列、导数、计数原理)-【同步题型讲义】2022-2023学年高二数学同步教学题型讲义(人教A版2019选修)
名校
10 . 已知函数
(
).
(1)试讨论
的单调性;
(2)求使得
在
上恒成立的正整数
的最小值
;
(3)若对任意
,当
时,均有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0145ae80dd28e41f458f03cfca4e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)试讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ae5d87d8f9ea498df4b6e1d854b325.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766d8c50c29559169073eb7e370e86fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f58620b99bef329c27333ec461234ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe8fdf65ff294be0d31568b38ebb8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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