已知函数
,若
存在四个不相等的实根
,
,
,
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6aca13f337d9d2a2bd8419076ce916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bae3f86149cf716f7bfee75ed5ccfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49980697993a08638e6d699ac9fdd1f0.png)
2023·山东烟台·二模 查看更多[3]
更新时间:2023-05-22 22:34:05
|
相似题推荐
填空题-单空题
|
适中
(0.65)
【推荐1】已知
,函数
,若函数
与x轴恰有2个交点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cefeddff52b02a43831beeb4bb6faa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e76e8caec2b64caf36ea8e73cbf6cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知函数
,若方程
有6个不同的根,则
的取值范围是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee42f38ed4bef0a409db6bf5dc04668c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d3fc58114ff8e5f15dd90d15d05eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】在
中,
,
是线段
上的点,
,若
的面积为
,当
取到最大值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5cf1426a12392e5ae44bed5c062d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2dba563554805d236372ab3d862cecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
您最近一年使用:0次
填空题-双空题
|
适中
(0.65)
名校
解题方法
【推荐2】已知函数
,
,当
时,函数
的最小值________ ;对任意
,
成立,实数a的取值范围________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e669169e561dc6b1baf0addb71c31fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463ecc921c96a0dc1b6327b8905d9151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
您最近一年使用:0次