解题方法
1 . 设函数
的定义域为I,区间
,如果对于任意的常数
,都存在实数
,满足
,且
,那么称
是区间
上的“绝对差发散函数”.则下列函数是区间
上的“绝对差发散函数”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306621a2b3d220bbe34027c1aa503b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2480f87a11c4cd450bc9454ea7276722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe1b0b3f9714e1f770d4ca0dca58649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e86867a0285838dfe2401388d2900d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
2 . 设函数
(
,
),则函数
的单调性( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a65d283227b1afca7a5a0b2e3ee44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.与![]() ![]() | B.与![]() ![]() |
C.与![]() ![]() | D.与![]() ![]() |
您最近一年使用:0次
2020-12-03更新
|
1606次组卷
|
4卷引用:2020年浙江省温州市摇篮杯高一数学竞赛试题
解题方法
3 . 已知点A是椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的左顶点,过点A且斜率为
的直线
与椭圆
交于另一点
(点
在第一象限).以原点
为圆心,
为半径的圆在点
处的切线与
轴交于点
.若
,则椭圆
离心率的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/dad2a36927223bd70f426ba06aea4b45.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/3f645d4b09fba53f971172cd2602c691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b32a39d07355dfa0395400f28b218cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022-04-14更新
|
827次组卷
|
3卷引用:2022年7月浙江省高中数学联赛全真模拟六校联考试题
名校
4 . 已知正数
和实数
满足
,若
存在最大值,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5453c472b58d76341a40937865db26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-02-07更新
|
379次组卷
|
2卷引用:浙江省金华第一中学2022年全国高中数学联赛一试考前押题最后一卷
名校
5 . 已知无穷正整数数列
满足
.
(1)若
,求
;
(2)求
的取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa677faa3366db695877a96d57d4073.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f966272f7781790ff27e40db6b525253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea00d10c496ccacb5b25c9574d6cdb09.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ff8dd3ab0bb1e7ee98c2c42f057696.png)
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解题方法
6 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1babd909eada9008e6474b28fb28921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffe6e4b89baac0ee6ce15bddc7de263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8807d7a6387cd566aa94f0e1732f4676.png)
您最近一年使用:0次
2022-10-11更新
|
781次组卷
|
5卷引用:2022年7月浙江省高中数学联赛全真模拟六校联考试题
2022年7月浙江省高中数学联赛全真模拟六校联考试题上海市奉贤区致远高级中学2023届高三上学期10月月考数学试题广东省深圳市罗湖外国语学校2023届高三上学期10月月考数学试题山西省晋城一中教育集团南岭爱物学校2022-2023学年高二上学期第三次月考数学试题(已下线)第5章 三角函数(基础、典型、易错、压轴)分类专项训练(1)
名校
解题方法
7 . 已知虚数
满足
为实数,
,则实数
的值是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2d495bb0ee1fda8edb853595e3e472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3c4c9d496ccc1a9996992482591d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知数列
满足
,
.
(1)若
是递增数列,求实数
的取值范围;
(2)若
,且对任意大于
的正整数
,恒有
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fab51121848ce166035ceab6f4e00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d0b399e3826e2721d683a357fe5dd4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e144b442dc601367909266594699b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacfaef44a654c0a1c283ef03fc0550.png)
您最近一年使用:0次
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解题方法
9 . 设正整数
满足
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67ae86f18a651cbbdcba22e56677c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
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10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec66a11a78fb0afe220acd862c648f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-23更新
|
1907次组卷
|
5卷引用:浙江省温州市苍南县、龙港市2020-2021学年高一上学期“姜立夫杯”数学竞赛试题