真题
解题方法
1 . 已知
,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
和
是方程
的两个实根,不等式
对任意实数
恒成立;Q:函数
在
上有极值.求使P正确且Q正确的m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.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/128c1449259e7999fad4fc7a1fe7f0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6556324566116561f4d35a7ca885ab43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262d7da8f17131eef23addd1854b170d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491dd24a0f97163282fde7f40677378c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a19bbab2270fc8e694527e801556cf.png)
您最近一年使用:0次
真题
解题方法
2 . 已知函数
,其中
,
为参数,且
.
(1)当
时,判断函数
是否有极值;
(2)要使函数
的极小值大于零,求参数
的取值范围;
(3)若对(2)中所求的取值范围内的任意参数
,函数
在区间
内都是增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1efdd5a3b986676e9f69c380124a77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851eae00e3369068e33a7e6420483883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47e84afb05b6c092f85152eb9bc3c82.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc25ff51adfd89d4fc8280f9f19de6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)要使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(3)若对(2)中所求的取值范围内的任意参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27fdf6fc93610580e460c1ef6dd7c9f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-04-29更新
|
813次组卷
|
2卷引用:2006年普通高等学校招生考试数学(理)试题(天津卷)