设
,且
.试确定
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b87cf5bd19ccc33b0339d3c15f7dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c93345b417895a006cd1d3d9598eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c708002cac5c90c01c8ac9f8dd36f0.png)
2018高三·全国·竞赛 查看更多[1]
更新时间:2018-12-28 19:54:51
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知
、
、
,且
、
、
均不大于
.试求
的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450dc33f83aec5f1b6471b3e0d0fca76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8925adc7c2235572568746676667d49c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a25d8f9593923203536dc9264f7060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199e02ad668db0ccebe686b9e400aa75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a58ab12178b6984687f4da7c926369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd677301a85c08361797154dcc01c6f9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】欲建一粮仓,已知其内部体积V一定,h、R、H均为变量,试确定
和
的值,使其表面积最小,即用料最省.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af22c2e7a98376c585e365615615c868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd394abb2f9cb7b8ffb963a99349e3d6.png)
您最近一年使用:0次