作者betray911015 (回头太难)
看板trans_math
标题[微分]求极值
时间Mon Dec 3 08:41:23 2007
The sum of two nonnegative numbers is 36. Find these numbers if the first plus
the square of the second is a maximum.
我连题目都看不是很懂
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 203.68.108.148
1F:推 chynlin:两正数和36,求第一数加第二数平方的max 61.216.148.136 12/04 00:00
2F:→ chynlin:意即若x,y>0 x+y=36 求x+y^2最大值 61.216.148.136 12/04 00:02
3F:→ chynlin:时, x、y=? 61.216.148.136 12/04 00:06
4F:→ chynlin:自己解释後觉得怪怪的,有没有哪位要CHECK 61.216.148.136 12/04 00:36
5F:→ betray911015:可以只令一个变数吗? 203.68.108.148 12/04 08:53