已知
满足不等式组
,且
(
为常数)的最大值为2,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa93c2f6d2084bad440e178bb4760510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e262821b63bf60929b17dd7c3d53500d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-12-05 00:15:53
|
【知识点】 根据最优解或最值求参数解读
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【推荐1】已知实数
、
满足不等式组
,若目标函数
取得最小值时的唯一最优解是
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的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1bb6ff63c700215edacb0f66ab6e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffee718f3c18be114e82f0549471948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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