选修4-5:不等式选讲
已知函数
.
(1)求不等式
的解集;
(2)求函数
的图象与
轴围成的三角形的面积
.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a11427b425ac4f71a2bfef487d237b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98656df10cded953b061613962281e55.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
更新时间:2016-12-04 22:47:25
|
【知识点】 绝对值不等式
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】设函数
的最小值为
.
(1)求
;
(2)设
,
,
均为正实数,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a59de5861efddd26a0f2322b27fc66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设
![](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/553ef9a29545748f8995a4a3817a5b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c16f3a8e0994ba47b172f470ba27dce.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】选修4-5:不等式选讲
已知函数
(
).
(1)求关于
的不等式
的解集;
(2)记
的最小值为
,证明:
.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713ae4ba4fe1ca6293153a61a847455e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd72d8f9c12f4d164e9ac8910c7f72a.png)
(1)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c62b44fae618a37c145b3b5d1f1db.png)
您最近一年使用:0次