名校
解题方法
1 . 已知函数
(
且
)在
上有两个极值点
,
,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326bf8f6934d175069da6b8b6e2a1064.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/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-09-03更新
|
491次组卷
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2卷引用:广东省汕头市潮阳实验学校2024届高三上学期联合模拟考试(二)数学试题
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解题方法
2 . 阿波罗尼奥斯在其著作《圆锥曲线论》中提出:过椭圆
上任意一点
的切线方程为
.若已知△ABC内接于椭圆E:
,且坐标原点O为△ABC的重心,过A,B,C分别作椭圆E的切线,切线分别相交于点D,E,F,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4977e4c6a500f429f4d85029b8c75bb2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed6b9540857e386651e191a0a5b5a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc26262f7a1603369462c7c2f2197a42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9656735f55e5de465e5667ba578d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed6b9540857e386651e191a0a5b5a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4977e4c6a500f429f4d85029b8c75bb2.png)
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2022-04-07更新
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2893次组卷
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9卷引用:广东省汕头市2023届高三二模数学试题
3 . 已知函数
满足
,若方程
有五个不相等的实数根,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e0c60634c196f45c518c3f306198ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5becfc631cad14d609c6bd95d8834d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2022-01-16更新
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6卷引用:广东省汕头市潮阳第一中学2023-2024学年高一下学期入学学情摸查限时训练数学试题
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4 . 地球仪是地理教学中的常用教具.如图1所示,地球仪的赤道面(与转轴垂直)与黄道面(与水平面平行)存在一个夹角,即黄赤交角,大小约为23.5°.为锻炼动手能力,某同学制作了一个半径为4cm的地球仪(不含支架),并将其放入竖直放置的正三棱柱
中(姿态保持不变),使地球仪与该三棱柱的三个侧面相切,如图2所示.此时平面
恰与地球仪的赤道面平行,则三棱柱
的外接球体积为___________ .(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1d0c436005a91b1a0a5f8d87d4bc6d.png)
![](https://img.xkw.com/dksih/QBM/2021/6/27/2751832374763520/2760016918478848/STEM/49fe51dd-4e3f-4171-b87d-605a0b3f8d25.png?resizew=447)
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2021-07-08更新
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1237次组卷
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3卷引用:广东省汕头市潮阳实验学校2021届高三上学期第一次月考数学试题
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解题方法
5 .
是定义在
上函数,满足
且
时,
,若对任意的
,不等式
恒成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39da9bdec1a845e9060ac134c8bb06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7192d87d0fa400d5d7dba57924bbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6c235391f1c71db937f5cb6fce3b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeca6c79e75fb6598a8bbd7ca9829a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2017-03-09更新
|
831次组卷
|
5卷引用:广东省汕头市潮阳实验学校2023-2024学年高一上学期第二次月考数学试题
6 . 如图是导函数
的图象:
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/ebb83c31ed3d4f669b2867ec401b14a2.png?resizew=183)
①
处导函数
有极大值;
②在
处导函数
有极小值;
③在
处函数
有极大值;
④在
处函数
有极小值;以上叙述正确的是____________ .
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/abcb7f93eee64171875441a20591bd25.png?resizew=62)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/ebb83c31ed3d4f669b2867ec401b14a2.png?resizew=183)
①
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/fea8a7c4b5b94d2abc09fe4e70566d47.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/abcb7f93eee64171875441a20591bd25.png?resizew=62)
②在
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/22589dc7ac3c450388e7e0abebcbd1b8.png?resizew=41)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/fa9be175b6954be4b7456f6fd27e0a2f.png?resizew=67)
③在
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/8f93a6bef5ad44969828f028baf9d521.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/344898f952c549148ac9b64b0c5164a7.png?resizew=61)
④在
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/6bf01a8f8ca24e48bcc5d656e0e5b768.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/6/16/1572124723052544/1572124729024512/STEM/344898f952c549148ac9b64b0c5164a7.png?resizew=61)
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