1 . 在
)个实数组成的n行n列的数表中,
表示第i行第j列的数,记
,
若
∈
,且
两两不等,则称此表为“n阶H表”,记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f6f9fb93b7549faaa98d49b8b08ec7.png)
(1)请写出一个“2阶H表”;
(2)对任意一个“n阶H表”,若整数
且
,求证:
为偶数;
(3)求证:不存在“5阶H表”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff6f8857124f7bbc5a1c65c2e83767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a14c188b1c9d61aa237b137ba18023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c9ff2b00c2841318b2697b070201a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2fe368efe94c1e98309473e49a92fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a14c188b1c9d61aa237b137ba18023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d253e22a1d9709dca48c6e0c649b47bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0fdc4f349ea9634160ce08ac269691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f6f9fb93b7549faaa98d49b8b08ec7.png)
(1)请写出一个“2阶H表”;
(2)对任意一个“n阶H表”,若整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db8c7f00e535ec1ffbb7008711b2096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8810a8ced3ca8dae09180a663275b425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)求证:不存在“5阶H表”.
您最近一年使用:0次
2023-03-14更新
|
870次组卷
|
5卷引用:北京市第十一中学2023届高三三模(5月)数学试题
北京市第十一中学2023届高三三模(5月)数学试题北京市城六区2018届高三一模理科数学解答题分类汇编之压轴创新题北京市第一0一中学2023届高三数学统练三试题(已下线)专题1 集合新定义题(九省联考第19题模式)练(已下线)微考点8-1 新高考新题型19题新定义题型精选
名校
解题方法
2 . 某中学高一学生组建了数学研究性学习小组.在一次研究活动中,他们定义了一种新运算“
”:
(
为自然对数的底数,
),
,
.进一步研究,发现该运算有许多奇妙的性质,如:
,
等等.
(1)对任意实数
,
,
,请判断
是否成立?若成立请证明;若不成立,请举反例说明.
(2)若
(
),
,
,
.定义闭区间
(
)的长度为
,若对任意长度为1的区间
,存在
,
,
,求正数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c93bcb878bc779bf5b519b0d50bda3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25da8298b6a96d627f3e8c990e55f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347604752750649bde7b37c456c8263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c46a883a70c6ca89d9877ed4894bc5.png)
(1)对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435bc3998f401828773efe39e438036b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8643553d6f6bf1c63cb350c926f912.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6fb4dfd099f690838d8d352ce1b72e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c20be29cc64fda3707bdf8b2faf7a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/543bba022c9e1d95c8bf76f8eed4b17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351629c193354cdcf202133052e45028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c54705d32dc6820f1a90eec2225dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ad3c82177b7c734e7acb86377bb05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01628488d507b44d6e8faa2dedd49bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-02-16更新
|
481次组卷
|
3卷引用:海南省海南中学2023-2024学年高三上学期第6次月考数学试题
名校
3 . 给定正整数
,设集合
.对于集合
中的任意元素
和
,记
.设
,且集合
,对于
中任意元素
,若
则称
具有性质
.
(1)判断集合
是否具有性质
?说明理由;
(2)判断是否存在具有性质
的集合
,并加以证明;
(3)若集合
具有性质
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a839578f0b23c8aeba01730563a643e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da8a33568ded09f3450bb153b0e5697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714ab9e5a6949c90c9bfdd118cfabeb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35e477c52dfbfb80f1fc315143c8b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1368a045ba80f97383f3d9d7fcdc8f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd94234d029d89c7b788b6d1e225db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9855cb665c7f3785a17718be10538af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2f08194bb663f1a086fa2f555ebf43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa6d3ee76dcca88508ec0921f1adf0f.png)
(1)判断集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd6650ab1ac1f7426ec68c729671c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c581b105a7e14eae97d650ae73adf710.png)
(2)判断是否存在具有性质
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a742b9bb0812b7bb895851cc5a06fa1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa6d3ee76dcca88508ec0921f1adf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b74258d0a66cadc32ba68697abca894.png)
您最近一年使用:0次
2023-03-27更新
|
1991次组卷
|
13卷引用:北京市海淀区首都师范大学附属中学2024届高三上学期10月阶段检测数学试题
北京市海淀区首都师范大学附属中学2024届高三上学期10月阶段检测数学试题北京市西城区2023届高三一模数学试题专题12压轴题汇总(10、15、21题)专题01集合与常用逻辑(已下线)北京市丰台区2023届高三下学期3月一模数学试题变式题16-21北京卷专题02集合(解答题)(已下线)广东省深圳中学2023-2024学年高三寒假开学适用性考试数学试题(已下线)高三数学临考冲刺原创卷(二)北京市人大附中2022-2023学年高一下学期期中模拟数学试题(已下线)北京市第四中学2022~2023学年高一下学期期中数学试题(已下线)单元高难问题01集合中的新定义问题-【倍速学习法】(人教A版2019必修第一册)(已下线)专题03集合的运算-【倍速学习法】(人教A版2019必修第一册)北京市中关村中学2023-2024学年高二上学期期中练习数学试题
名校
解题方法
4 . 如果函数
在其定义域内存在实数
,使得
成立,那么称
是函数
的“阶梯点”.
(1)试判断函数
是否有“阶梯点”,并说明理由;
(2)证明:函数
有唯一“阶梯点”;
(3)设函数
在区间
内有“阶梯点”,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7a70fbe548b4dccaf010ecf253e5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)试判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6f9b6663be9cea0fa7fc57a7db83c7.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2226a022584cce85e69c8c410fab4dd2.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f568a166e3c73d3c18a548c63e6d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4a2b3998705e51dbade9ada0873b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-01-13更新
|
245次组卷
|
2卷引用:广西壮族自治区钦州市第四中学2023届高三上学期11月考试数学(文)试题
解题方法
5 . 设
(a为实常数),
与
的图像关于y轴对称.
(1)若函数
为奇函数,求a的取值;
(2)当a=0时,若关于x的方程
有两个不等实根,求m的范围;
(3)当|a|<1时,求方程
的实数根个数,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b9b42638033a93f26cbf4fd89b76ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae905f856b26183ebe83225350df5a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110c8d90cd5808b83431c72cdb1976e0.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495d1f17eec7fe720a8fd8840822f55e.png)
(2)当a=0时,若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9405eb72b163ac2b712231899fe398d.png)
(3)当|a|<1时,求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4603bbe40ed845c0fba5dea69053d305.png)
您最近一年使用:0次
名校
6 . 已知集合
,对于
,定义A与B之间的距离:
.若
,则称A,B相关,记为
.若
中不同的元素
,满足
,则称
为
中的一个闭环.
(1)请直接写出
中的一个闭环
;
(2)若
为
中的一个闭环,证明:m为偶数;
(3)若
为
中的一个闭环,求m的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59de0247ac9cf35f8bfad7fd07c333fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8855919019c61e6ca7af347873ba88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9f94f8aee6ca3196349a96d50e9b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2475a4fa2c5f45cb81934e671bfcdaed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a228c9e0bf5ee968e2ec77155dde707e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34658b51aebeceba4045f7bda56cb5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2074f6096eccef2a5c7612c713eedda7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c6f288e3220d5382bc44cdc749bffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd72016a9855cbf0056ff732fe872612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffd3381f4077b174168ba541831c68e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c6f288e3220d5382bc44cdc749bffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c6f288e3220d5382bc44cdc749bffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05b868f808101daa22ed8c879707bae.png)
您最近一年使用:0次
7 . 已知函数
的定义域是
,若对于任意的
,
,当
时,都有
,则称函数
在
上为不减函数.现有定义在
上的函数
满足下述条件:
①对于
,总有
,且
,
;
②对于
,
,若
,则
.
试证明下列结论:
(1)对于
,
,若
,则
;
(2)
在
上为不减函数;
(3)对
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e384ba050b238e11f7c74d3002aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c61c8d37c767ba727cc7f5f7e00a7d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e264b11a47db447a7a0a19f2c3b8900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27c24244b1fdbf1455087c2ebf41c8b.png)
②对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d4d545db5f08ab066c08f621bdf83c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7563ceaa2d4ae02f31d47b53708edc75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff755b55a86b26a7f3e7def591b5b315.png)
试证明下列结论:
(1)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59387e75e13dce643d327893df0edfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa468658500142da664ca688d4d4d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d096dd04098cafabf4211054353feec8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(3)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e511095b9802e0e54c3bcac8be160e58.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
.
(1)若
,求
在区间
上的最小值(直接写出结论,结果用
表示);
(2)我们知道:当
时,
.设
,求证:当
时,
恒成立;
(3)若
,
,其中
且
,
是
和
图像的一个公共点,
,求证:
和
的图像必存在异于点A的另一个公共点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c270c7508ec18bfae26af47763aab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b19651da570980f3ea96244eac374eff.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)我们知道:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d49ec515fb1fdc93ca4dda443326ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fcb77b3bdf39c6c3b6081c8663a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a799d1b47ce37238fda796b1a6a021a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50039d346ff2a21ca8c6f79b29027c08.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1dcfaae797d253d74badcad68bd9980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04558f55e986c97881d34a436a243f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940e491269e04ab4680ee10714ba88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb57bb18755127be041d346444a4743e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7050f42eb40e582b377e690e86615e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
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名校
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044d9b0c723eb19526ed1cfc5c052f82.png)
,
为
的导数.
(1)若
为
的零点,证明:
在区间
上单调递增;
(2)当
时,不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5de96ea6b1e96873a7c59fd3d89750.png)
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044d9b0c723eb19526ed1cfc5c052f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5de96ea6b1e96873a7c59fd3d89750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
21-22高一上·上海浦东新·期末
10 . 已知函数
的图象在定义域(0,+∞)上连续不断,若存在常数T>0,使得对于任意的x>0,
恒成立,称函数
满足性质P(T).
(1)若
满足性质P(2),且
,求
的值;
(2)若
,试说明至少存在两个不等的正数T1、T2,同时使得函数
满足性质P(T1)和P(T2);
(3)若函数
满足性质P(T),求证:函数
存在零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a2c48c3896c9f07bc82434e30020fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196be101149acfb6a6c4ceca7fc96828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2cb4e04d259f4f28a5ab1b31f7c966.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842d905700b5635303a740bd0109ff0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次