已知正实数
,
满足
,则
的最小值为____ .
![](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/18f26c3cfd842e02e6063a9ecd44ebf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33051bab4652cf5ecdd138d428c1393.png)
更新时间:2023-05-11 09:54:25
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【推荐1】若实数
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【推荐2】同学们,你们是否注意到,自然下垂的铁链;空旷的田野上,两根电线杆之间的电线;峡谷的上空,横跨深洞的观光索道的钢索.这些现象中都有相似的曲线形态.事实上,这些曲线在数学上常常被称为悬链线.悬链线的相关理论在工程、航海、光学等方面有广泛的应用.在恰当的坐标系中,这类函数的表达式可以为
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是函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82f925291f499caf267036053060609.png)
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①
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③如果
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【推荐2】若不等式
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