已知函数
,若对任意
均有
,则
的值等于_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5832df51f7e9f83bdd534788ec773bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc118b69912cd1cbd6e5d711703dd2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
更新时间:2020-02-03 20:28:43
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】关于函数
,有下面四个结论:
①
的最大值是
;
②
的最小值是
;
③
是偶函数;
④无论
取何值,
恒成立.
其中正确的结论是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c9471486507633a6db3b0fe8a6a40d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec7a126e69669d0374f88122823818d.png)
其中正确的结论是
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】在
中,角
,
,
所对的边分别为
,
,
,
,
于点D,且
,则线段
长度的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbdd5f76f5e399e25316342270b2784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】函数
的最小正周期和最大值分别为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fea6247f4debb877f860643c6a33119.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
解题方法
【推荐1】已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb133661f4335d22164a69dd036bb6c6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520e06e4257d6f4b6c4db77110f819ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b80751c98f9991b9cfc03923a98834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb133661f4335d22164a69dd036bb6c6.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】在
中,
,则角
是![](https://img.xkw.com/dksih/QBM/2023/3/12/3192827522105344/3193696826441728/STEM/bd16af8ad5344f26b09da898c4f419c3.png?resizew=4)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877e26784f5f8aab21317d8c61d2c1d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2023/3/12/3192827522105344/3193696826441728/STEM/bd16af8ad5344f26b09da898c4f419c3.png?resizew=4)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】若点
在曲线
上,且不等式
恒成立,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1318028f11c690c7bb0df1af23aed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a47860e55ffa03190e7cbf291a073d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知x,y满足:
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5b1b3e918c50c245e5fecbfe74c8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcda62388ba3f9747413103bd48e1630.png)
您最近一年使用:0次