已知
,
,记关于
的不等式
的解集为
.
(Ⅰ)若
,求实数
的取值范围;
(Ⅱ)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c3e2aa9dc6136edd945fb3b8451169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe6624bed6f9f148d74a043e140aba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e312eca38032174f9739126b81d012.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478c6c11a2d0adc2c163cecfe258fb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21273e0bcaf47aced184b63c49ebed33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2017-03-03 22:13:10
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】选修4-5:不等式选讲
设实数
,
满足
.
(1)若
,求
的取值范围;
(2)求
最小值.
设实数
![](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/346171d0a0460e5b6627ca462da71402.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff3b79edd28f5040a932c488f274b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e59da51280acb7cd0954c083bba14b9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)若
,解不等式
;
(2)若b=1,且不等式
的解集非空,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1719ba5d0a37f3b6961bd647c8d6dc36.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77f4aa006cbc644f30174c4a4d51ff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5d01bb22f4705b80754aa342497b31.png)
(2)若b=1,且不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5e79348f2689c334f544ae939c775b.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐3】已知函数
.
(1)解不等式
.
(2)记
的最小值是
,若
,
且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d916b7145fb85cdfe34832a799316d.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a075dce77c9a6b964a8a3fc1ee6e8c.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6c0bf2d6d21400b4581358722248a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
您最近一年使用:0次