名校
解题方法
1 . 已知函数
,
(1)当
,
和
有相同的最小值,求
的值;
(2)若
有两个零点
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c66c32cf0584b8990612638fa50dd0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b3d2315608819f8af9eeef4d3d90e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4f313e85b97bda207222fa6e82b463.png)
您最近一年使用:0次
2023-10-21更新
|
560次组卷
|
6卷引用:四川省达州市开江县开江中学2022-2023学年高三上学期入学考试数学(理)试题
四川省达州市开江县开江中学2022-2023学年高三上学期入学考试数学(理)试题四川省成都市树德中学2022-2023学年高三上学期第一次月考模拟(理科)数学试题四川省成都市树德中学2022-2023学年高三上学期第一次月考模拟(文科)数学试题西南名校联盟2022-2023学年高三上学期11月月考数学(理)试题(已下线)专题突破卷08 极值点偏移(已下线)重难点突破05 极值点偏移问题与拐点偏移问题(七大题型)-1
2 . 已知:
.
(1)当
时,求曲线
的斜率为
的切线方程;
(2)当
时,
成立,求实数m的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11affc83e22df9fdc4a7379887a750e8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efa8063258db41fd8e9a67f2efbb1726.png)
您最近一年使用:0次
3 . 已知点
到
的距离是点
到
的距离的2倍.
(1)求点
的轨迹方程;
(2)若点
与点
关于点
对称,点
,求
的最大值;
(3)若过
的直线与第二问中
的轨迹交于
,
两点,试问在
轴上是否存在点
,使
恒为定值?若存在,求出点
的坐标和定值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若点
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e414c3f13e0e28fe2250bf88e33d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d436fc4cde0f6490b25bdd6e476332ed.png)
(3)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8649ce18c628d0e03e72cef541f8284f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d405c7e1ed6ddac33126b8c1cb511b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2020-11-23更新
|
2063次组卷
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7卷引用:四川省达州市宣汉县土黄中学2022-2023学年高二上学期第一次测试数学试题