作者mercedesff (mercedesff)
看板trans_math
标题[单变] 一题证明
时间Sat Dec 4 21:38:48 2010
Is there a function f:R→R such that f = arcf other than f(x) = x ?
If so, find one; and if not, explain why?
拜托好心人帮帮忙Q_Q...
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.113.90.123
※ 编辑: mercedesff 来自: 140.113.0.109 (12/06 04:37)
1F：→ kane950544:f(x)=1/x 111.249.5.175 12/06 22:34
谢谢你 感激不尽 我真笨O_Q
※ 编辑: mercedesff 来自: 140.113.90.123 (12/08 18:17)