11-12高三上·安徽蚌埠·阶段练习
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
(1)若
在区间
上存在极值,求实数
的取值范围;
(2)如果当
时,不等式
恒成立,求实数
的取值范围;
(3)求证![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cefc5819a9fdf0d64bc5474518893ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5220c1d29955df47343122a463c46a92.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51671cf7c5ffb3f56318a537e4554565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如果当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf0aab66798e1f60dc23c693c14e5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cefc5819a9fdf0d64bc5474518893ff.png)
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10-11高二下·安徽蚌埠·期中
2 . 已知函数
.f(x)在点x=0处取得极值,并且在区间[0,2]和[4,5上具有相反的单调性.
(1)求实数
的值;
(2)求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b269dce1ae3396d2afc82a91dc6f97ba.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次