名校
解题方法
1 . 已知函数
,
,其中
为自然对数的底数.
(1)证明:
时,
;
(2)求函数
在
内的零点个数;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff6838d84b68c6f0d3b93b196d9b08d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c736848713f25373747eb032847019c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e965d4a9aa00ca4825506bb1607b5da.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3ce011e21c45b2fb6ab3125f111831.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80942f4fe051907720e82a8c081460e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 . 已知正
的边长为
,内切圆圆心为
,点
满足
.
(1)求证:
为定值;
(2)把三个实数
,
,
的最小值记为
,若
,求
的取值范围;
(3)若
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640138cbc38cacf41630dbea47554b53.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c6b94e3aec412c946821e781228d8e.png)
(2)把三个实数
![](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/5e1e49f1fd344854ed10dd161dd1249b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c86a7df7acef704ff0be2ca9e09367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7efd3538b7ceb2c126f7f1fe2e8f8ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de91da286fa85fbfa6e0f93905308a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
您最近一年使用:0次
名校
解题方法
3 . 在
中,
为边
上两点,且满足
,
,
,
,
;
(2)求证:
为定值;
(3)求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc2450dc300ce26b513c2abae28cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f341b98caabf99bc683ce8407068735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c5c9cc1ed4bce98b7fae77e70b227f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449771e8910f45e2757cec3211a256c7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea79586df2029edb34c7cb2f67dc3722.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-04-30更新
|
744次组卷
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4卷引用:福建省福州第一中学2023-2024学年高一下学期4月第三学段模块考试数学试题
福建省福州第一中学2023-2024学年高一下学期4月第三学段模块考试数学试题河北省沧州市泊头市第一中学2023-2024学年高一下学期5月月考数学试题(已下线)专题02 高一下期末真题精选(1)-期末考点大串讲(人教A版2019必修第二册)江苏省南京外国语学校2023-2024学年高一下学期5月阶段性测试数学试题
4 . 如图,已知双曲线
的离心率为2,点
在
上,
为双曲线的左、右顶点,
为
右支上的动点,直线
和直线
交于点
,直线
交
的右支于点
.
的方程;
(2)探究直线
是否过定点,若过定点,求出该定点坐标;否则,请说明理由;
(3)设
分别为
和
的外接圆面积,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3fc6891aacb2287358410e0e649cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279563c3c055777ce1aa369a2ef54aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)探究直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7ad41b36674fd6e90176ee24cdefbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8428037a379bcd01cfffd5aa9434dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142b9d242ef0c6b807d1257f2638b37b.png)
您最近一年使用:0次
2024-04-10更新
|
757次组卷
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3卷引用:福建省福州市八县市一中2024届高三模拟预测数学试题
名校
解题方法
5 . 若存在实数及正整数
,使得
在区间
内恰有2024个零点,(1)当
时,
时,所有满足条件的正整数
的值共有
您最近一年使用:0次
名校
6 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0098955a331f9f7550fabd63c818a9a.png)
(1)当
是奇函数时,解决以下两个问题:
①求k的值;
②若关于x的不等式
对任意
恒成立,求实数m的取值范围;
(2)当
是偶函数时,设
,那么当n为何值时,函数
有零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0098955a331f9f7550fabd63c818a9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①求k的值;
②若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd47cc4fc009bda52a56b0a74db3b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3368388525e30cb7179909b03184eb.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43049e7a019652c5c85b01bc0011032f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ca992b5b470255a859aa8aa24cd785.png)
您最近一年使用:0次
2023-12-27更新
|
666次组卷
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4卷引用:福建省福州市平潭县岚华中学2023-2024学年高一上学期期末模拟数学试题
名校
解题方法
7 . 已知函数
,若函数
恰有4个零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c18ebd877534a38b736cb935b58864e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-08更新
|
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6卷引用:福建省福州市部分学校教学联盟2023-2024学年高一上学期期末质量检测数学试题
(已下线)福建省福州市部分学校教学联盟2023-2024学年高一上学期期末质量检测数学试题天津市和平区天津一中2024届高三上学期第二次月考数学试题天津市第四十七中学2024届高三上学期第三次阶段性检测数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(三)天津市蓟州区第一中学2024届高三第一次校模拟考数学试卷(已下线)2024年天津高考数学真题变式题11-15
名校
8 . 已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a7d37824a7e361d0cfcfdb372c87e7.png)
A.函数![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.不等式![]() ![]() ![]() ![]() |
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2023-11-28更新
|
536次组卷
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5卷引用:福建省福州市福清西山学校2024届高三上学期12月月考数学试题
9 . 已知椭圆
(常数
),点
,
,
为坐标原点.
(1)求椭圆离心率的取值范围;
(2)若
是椭圆
上任意一点,
,求
的取值范围;
(3)设
,
是椭圆
上的两个动点,满足
,试探究
的面积是否为定值,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3044df061f3c9b06e525722cca969a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2801ced7e4279a7c4a98749d3d3118b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fec153773d15346d7cf3fc34d290f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆离心率的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385495ec3ecd33e95b9b671ccc2866b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392d00243d81bf17ff3be81e7a7ee05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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2023-11-21更新
|
934次组卷
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4卷引用:福建省福州第八中学2023-2024学年高二下学期期中考试数学试卷
名校
解题方法
10 . 在同一平面直角坐标系中,
,
分别是函数
和
图象上的动点,若对任意
,有
恒成立,则实数
的最大值为
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98329a9e227ae49e623972689f11c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debbead4adb9781d8f9133bb3f873516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ceb1c40d61c4131cbc6e38e721542bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/2023/8/8/3298644813766656/3299444781146112/STEM/f76e100c98934ca98dbdc9a4a4eaeece.png?resizew=4)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-04更新
|
667次组卷
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2卷引用:福建省福州市四校2022-2023学年高二下学期期末联考数学试题