解题方法
1 . 给定
,若
,
满足
,均有
,则k的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756cd04fb04459ef15b1d37c9bb88e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2671f593186fa00f17ad26eba7b8f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe383188576e4de78241ddaf8cf94144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3481d657e1d1ca13aa4ad8af6b4afd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知
,函数
在点
处的切线均经过坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72228506f0ab7d8d4179fd0ca82d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa89a2010f813feaaf42256d0742f71a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-04更新
|
2627次组卷
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7卷引用:浙江省温州市2024届高三上学期期末考试数学试题
浙江省温州市2024届高三上学期期末考试数学试题湖南省2024届高三数学新改革提高训练五(九省联考题型)安徽省阜阳市阜阳一中2023-2024学年高二下学期开学检测数学试题(已下线)新题型01 新高考新结构二十一大考点汇总-3上海市浦东新区上海实验学校2024届高三下学期开学考试数学试题(已下线)黄金卷02(2024新题型)甘肃省兰州市西北师范大学附属中学2024届高三第三次诊断考试数学试题
3 . 已知函数
,点
为平面内一点,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cbc38dede229ac885633f63550e685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493f7a6fe5c1e676672547297082e64d.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.若过点![]() ![]() ![]() ![]() |
D.若过点![]() ![]() ![]() ![]() |
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4 . 若函数
在
上单调递增,则a和b的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7a98b117e51c5fa3028888e37fd515.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2024-01-25更新
|
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|
5卷引用:浙江省温州市2023-2024学年高二上学期期末教学质量统一检测数学试题(A)
解题方法
5 . 设函数
,对于下列四个判断:
①函数
的一个周期为
;
②函数
的值域是
;
③函数
的图象上存在点
,使得其到点
的距离为
;
④当
时,函数
的图象与直线
有且仅有一个公共点.
正确的判断是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2f37b025f77be6c1cb307e3d5b4683.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e270ab87afa5958e8d226f535be2474.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31aba8ca22579a6d5eed632aecff4548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
正确的判断是( )
A.① | B.② | C.③ | D.④ |
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6 . 定义:设二元函数
在点
的附近有定义,当
固定在
而
在
处有改变量
时,相应的二元函数
有改变量
,如果
存在,那么称此极限为二元函数
在点
处对
的偏导数,记作
.若
在区域D内每一个点
对
的偏导数都存在,那么这个偏导数就是一个关于x,y的二元函数,它就被称为二元函数
对自变量
的偏导函数,记作
.已知
,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e664fa90a859ab05fe49972a474a5fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1268e217016ff7e12b9bc51341c4cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e664fa90a859ab05fe49972a474a5fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81443d23814e97aca7dc31d6a6761e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b46f5293a40631887c03efab57a24c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e664fa90a859ab05fe49972a474a5fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b4f86e48e2b0d63c1865c60ed1e4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/205aa63ae7eac640729254cccc919a33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e664fa90a859ab05fe49972a474a5fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e664fa90a859ab05fe49972a474a5fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d827cd88fa489081f6de96c9b1949d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a0767e51cf2027ba71e6ec233b3de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4642bed61cb89af0efa1c53294541f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bc92eb72cfdadd35f9f514090b40b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-22更新
|
526次组卷
|
4卷引用:江西省2024届高三上学期12月统一调研测试数学试题
江西省2024届高三上学期12月统一调研测试数学试题江西省赣州市大余县部分学校2024届高三上学期12月统一调研测试数学试题(已下线)高二 模块3 专题1 第4套 小题进阶提升练(已下线)高二 模块3 专题1 第4套 小题进阶提升练(苏教版)
7 . 17到19世纪间,数学家们研究了用连分式求解代数方程的根,并得到连分式的一个重要功能:用其逼近实数求近似值.例如,把方程
改写成
①,将
再代入等式右边得到
,继续利用①式将
再代入等式右边得到
……反复进行,取
时,由此得到数列
,
,
,
,
,记作
,则当
足够大时,
逼近实数
.数列
的前2024项中,满足
的
的个数为(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cdd6f27334444c1884876b9e4cfe6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4174abb8a26d35b8df3bd4f30f431760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2257b811f2f2b7bc912fc931c4a896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd810b777ea7c810453b560c078fe26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f302219f23caefd077370c29e557cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a74d79db6d58b2bfdb021d891cd822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b162b6248fba84ebaeb621f3dbe874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.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/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c07829bdcf009a84715f32c6784542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5237ae4a60796b4257e52a2c487c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63152e764f4f11e43d2895e07ea11bb.png)
A.1007 | B.1009 | C.2014 | D.2018 |
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2023-12-02更新
|
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4卷引用:广东省2024届高三上学期11月统一调研测试数学试题
广东省2024届高三上学期11月统一调研测试数学试题重庆市北碚区缙云教育联盟2024届高考零诊数学试题江苏省南京市南京师大附中2024届高三寒假模拟测试数学试题(已下线)专题04 数列及求和(分层练)(四大题型+14道精选真题)
8 . 已知
,则在下列关系①
;②
;③
;④
中,能作为“
”的必要不充分条件的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dd00e2f6802c99fb624aa77ebe17d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72f0a62b1a8614acae64570d8bf1170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b973e2ec0d256343c57ce0c3cd80ab2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65eb4d879e3e80d3195b56b303e331c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485a2d99320384a0857b00ce9ab9e990.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2023-11-11更新
|
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2卷引用:四川省成都市第七中学2023-2024学年高三上学期期中考试理科数学试题
9 . 已知点集
.设非空点集
,若对
中任意一点
,在
中存在一点
(
与
不重合),使得线段
上除了点
外没有
中的点,则
中的元素个数最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b22251511d66ad0c49513dae61f2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fcd91711251a8bfe28b22c870dad80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fb56e714978b3dd418996c1f75768c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.1 | B.2 | C.3 | D.4 |
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名校
解题方法
10 . 已知
的内角A,B,C满足
.设
面积为S,外接圆半径为R,内切圆半径为r.记
,则当
时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1740b751b425bf781978013a1f07cc64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8210089d6e19f1f280cead6fcafdd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f3584785cd0e626365a35f397c04f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
A.5 | B.6 | C.7 | D.8 |
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