解题方法
1 . 若
.证明:
(1)
.
(2)
.
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e006ef99c62e6c3784c5059c92aeba.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e974efdd9cf524a4c4b3c85e0328921.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2108c82f49e2e6df8f7cb60147172bc1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db5aac415fa6302e451341cc02f99da.png)
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2 . 记集合
,对于
定义:
为由点
确定的广义向量,
为广义向量的绝对长度,
(1)已知
,计算
;
(2)设
,证明:
;
(3)对于给定
,若
满足
且
,则称
为
中关于
的绝对共线整点,已知
,
①
中关于
的绝对共线整点的个数为______;
②若从
中关于
的绝对共线整点中任取
个,其中必存在4个点
,满足
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9439d3408c2d06220487d9a226961a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a421bfe77141cd71759be02ae26d4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6870f397a858ad814f76f6e7af90516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f4f1c351f31ebaf5558a9692523c21.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e678613f60b4b5e423f59d45aa367a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c18d9dc9df21997b4277d10a448b3f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ae313593dc2df564fc152927c3b496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30021ecc45f6b6db7617e1e1f8c04226.png)
(3)对于给定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed821ca1553d21ed1617c8d0750ac12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf36a4d8169677032b46017ea74bc98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d8f8361bd75bebff8e8fd7a560b189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478510de7950f6e4b13b87ec685dc042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305992016871e75864ad17004e38e95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6688ba1637480fbffb3084eb5318de2b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7107818eb9768a9a0c177468457754b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
②若从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7107818eb9768a9a0c177468457754b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2dde3ce763c601866d3e46616e0315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aae0cc30075fa3bac6dc660a57d93ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2378d8860a645c5fc22afda4862676.png)
(1)求集合
中的所有整数;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2378d8860a645c5fc22afda4862676.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354ba538d9b1102e66f631729eecbafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-01-05更新
|
945次组卷
|
5卷引用:北京市海淀区2022-2023学年高一上学期期末数学试题
北京市海淀区2022-2023学年高一上学期期末数学试题北京市北京大学附属中学元培学院2022-2023学年高一上学期期末考试数学试题北京市第一七一中学2023-2024学年高一上学期期中调研数学试题重庆市巴蜀中学校2022-2023学年高一(艺术班)上学期期末数学试题(已下线)期末真题必刷易错60题(28个考点专练)-【满分全攻略】(人教A版2019必修第一册)
4 . 设
,数列
满足
,
.
(1)若
,
,证明
是等比数列,并求
的通项公式;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8478b1b71727ba01b2d4e6ebac133c34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f31f755edadf66af8cc1f9f8aeda2ec.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114dc083c6f736f7d6601e1b5ba27c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8da5f71a9e9eb7d9c4b84de3ccf15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1458e2d74ec7c75966ff4a772f2891a6.png)
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5 . 已知
.
(1)当
时,求不等式
的解集;
(2)若
时,不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c840f9d40fbe454b2ca79afaca7982a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998d1117b68d345ad988e86d1ec7724b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89f5698f41b542aff4bcebbc81ff92b.png)
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2022-12-29更新
|
244次组卷
|
3卷引用:北京专家信息卷(全国甲卷)2023届高三上学期12月月考数学(理)试题(4)
解题方法
6 . 设集合
,
.
(1)求集合
;
(2)设集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d483673af6a92b8617125f34093e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b96b1e2e9326bd5d70616e13aa9095c.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c51e1aee5513d063315cd641921db49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 求下列不等式的解集
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392ad3a85cb00d53e536959687a7c7a0.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d8a600e7b6a10eeb9f96c3462cf35e.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d042515ff69a42c9cbcacfdf96251c.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392ad3a85cb00d53e536959687a7c7a0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d8a600e7b6a10eeb9f96c3462cf35e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d042515ff69a42c9cbcacfdf96251c.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1e54788475ada391af43b0643784eb.png)
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8 . 现有一组互不相同且从小到大排列的数据:
,其中
.为提取反映数据间差异程度的某种指标,今对其进行如下加工:
记
,作函数
,使其图象为逐点依次连接点
的折线.
(1)求
和
的值;
(2)设
的斜率为
,判断
的大小关系;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82fb4cf459841e547e2d358d392abc0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c8d0474f7d81ef8dbefaacfd5afe7c.png)
记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184ab0d79c05f5ca0254518f669090bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39122971f02da2ac15fff63e55458178.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202f3247f015783652c3b80fb5759f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef9ee0b2b2282c2be75fa875fac18fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90515707a364861cc94ebb7b0d9c5a15.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe872a9bad3fc80fcfa5a10cbcd3e89.png)
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真题
9 . 设
是定义在区间
上的函数,且满足条件:
①
;
②对任意的
,都有
.
(1)证明:对任意的
;
(2)判断函数
是否满足题设条件;
(3)在区间
上是否存在满足题设条件的函数
,且使得对任意的
,都有
,若存在,请举一例:若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ccafcfb1b2a1cd2e09b41b866654c1.png)
②对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7954415c9cb58888eb0acac8fc0f4e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5373182c441331b060ad4d3a4219cf1a.png)
(1)证明:对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f036c33ff1b8e236cb8532f82e3018c7.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eec2fdce624e516c7acc4cc1543a7e.png)
(3)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7954415c9cb58888eb0acac8fc0f4e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06de4658bfc9089686e98975956485.png)
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真题
10 . 解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a9ec8be4b8ba0e931844fcd6e49ba0.png)
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