解题方法
1 . 若函数
在区间
上单调递减,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f2007c6d0e329a8c91905b00b667ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2024-06-02更新
|
1284次组卷
|
3卷引用:山东省菏泽外国语学校2024届高三数学模拟检测卷(四)
解题方法
2 . 已知椭圆
的右焦点为
,左、右顶点分别为
,
,点
是
上第一象限内的一点,
到直线
的距离为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bdbd5acb0b348b6c76d564505522c2.png)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbe46cc094c0af171cccf4432713dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b746f6595e2fdebd06b48e344f24314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bdbd5acb0b348b6c76d564505522c2.png)
您最近一年使用:0次
名校
解题方法
3 . 若
,关于
的不等式
恒成立,则正实数
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fac79eb549c72549f3718d0c80bc92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-30更新
|
1348次组卷
|
3卷引用:山东省菏泽市定陶区第一中学2023-2024学年高二下学期5月月考数学试题
山东省菏泽市定陶区第一中学2023-2024学年高二下学期5月月考数学试题广东省广州市华南师范大学附属中学2024届高三下学期高考适应性练习(4月)数学试题(已下线)第3题 妙解指对函数最值(压轴小题)
名校
4 . 法国著名数学家加斯帕尔
蒙日在研究圆锥曲线时发现:椭圆的任意两条互相垂直的切线的交点
的轨迹是以坐标原点为圆心,
为半径的圆
为椭圆的长半轴长,
为椭圆的短半轴长
,这个圆称为蒙日圆.已知椭圆
,若
是直线
上的一点,过点
作椭圆
的两条切线与椭圆相切于
,
两点,
是坐标原点,连接
,当
为直角时,则
为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da001dad7941e6c9858637d7b62cec59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c6ecdf8ced933e8e6657196acc924f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada970bdcc475ace8b63f4ea02db8446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2801bb773af735fc9c0239d19c20e6e4.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023037c7a3e31ba698c39f9b52db2515.png)
您最近一年使用:0次
5 . 已知函数
若曲线
与直线
恰有2个公共点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92cf64c9393401af169b95bb1c847dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1447dbe580ac5c825776995118e75acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-20更新
|
940次组卷
|
2卷引用:山东省菏泽市2024届高三下学期模拟预测数学试题(三)
6 . 已知抛物线
,点
在
的准线上,过
的焦点
的直线与
相交于
两点,则
的最小值为__________ ,若
为等边三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
您最近一年使用:0次
2024-05-20更新
|
735次组卷
|
4卷引用:山东省菏泽市2024届高三下学期模拟预测数学试题(三)
山东省菏泽市2024届高三下学期模拟预测数学试题(三)河南省三门峡部分名校2024届高三下学期高考模拟考试(一)数学试题山东省泰安市2024届高三下学期高考模拟((三模))数学试题(已下线)第三套 艺体生新高考全真模拟 (三模重组卷)
名校
7 . 若当
时,
无限趋近于一个确定的值,则称这个确定的值为二元函数
在点
处对
的偏导数,记为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ff26e2362e1dec1a5a9b0ac01967ec.png)
若当
时,
无限趋近于一个确定的值,则称这个确定的值为二元函数
在点
处对
的偏导数,记为
,即
.已知二元函数
,则f'm,nx+f'm,ny的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965e4bba42c1945bf711ef186027f52a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5bfc316ab38c6e4b8f5a9fa66cd29b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1595f06925491766c4e26be4c83085fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136620de908d460adedad82e773c2480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618932fbfef25e4dc46ed1e9bacefb9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ff26e2362e1dec1a5a9b0ac01967ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ca6fa9955690cec01db601e3abce0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89c85c3e1599b32abfb0c110eeb8c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8942f9d432eef33b6859677bbe3693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1595f06925491766c4e26be4c83085fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136620de908d460adedad82e773c2480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d00c5eb079d0e588fba56ba585f2ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdd9174f63888a87df0aab6c3921824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f804c95319cc42dc5222ff088809bd4.png)
您最近一年使用:0次
名校
8 . 设椭圆
与双曲线
有相同的焦距,它们的离心率分别为
,
,椭圆
的焦点为
,
,
,
在第一象限的交点为P,若点P在直线
上,且
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff8210484dd6815b5bebc7b22f1389cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b82b84d8369b8792d0296638dd0fbe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f9bdc6d9f09e14b037ea7d3ee1f623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a708c976cfe1b2741cb79d078db8e453.png)
您最近一年使用:0次
2024-04-19更新
|
511次组卷
|
2卷引用:山东省菏泽第一中学三校区联考2024届高三下学期5月月考数学试题
名校
解题方法
9 . 已知
分别是双曲线
的左、右焦点,经过点
且与
轴垂直的直线与
交于点
,且
,则该双曲线离心率的取值范围是_____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac89d45e79b10741d93a9443c70adde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33558fa9a56d8874e9fad867adbed2bc.png)
您最近一年使用:0次
2024-04-16更新
|
1188次组卷
|
4卷引用:山东省菏泽第一中学八一路校区2023-2024学年高三下学期三月份月考数学试题
山东省菏泽第一中学八一路校区2023-2024学年高三下学期三月份月考数学试题云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试卷(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题11-15
名校
10 . 法国数学家拉格朗日于1778年在其著作《解析函数论》中给出一个定理:如果函数
满足如下条件:
(1)在闭区间
上是连续不断的;
(2)在区间
上都有导数.
则在区间
上至少存在一个实数
,使得
,其中
称为“拉格朗日中值”.函数
在区间
上的“拉格朗日中值”![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)在闭区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
(2)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
则在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4c41c2f9ced5d5cf2f530bd5d880cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3e0c1b288d8cc073a1c80d16722529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次