作者JimCroce (我要下五子棋 N )
看板trans_math
标题[微分] 问题问题
时间Tue Jul 26 16:14:38 2005
Suppose f is function with the property that
l f(x) l 小於等於 x^2 for all x. Show that f is differentiable at 0.
^^^^^^^^^
绝对值f(x)
请问怎麽show在0不可微? 谢谢回答!
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抱歉了
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1F：推 hwujialuen:differentiable???这不是可微分吗? 221.169.27.205 07/26
2F：→ hwujialuen:干麻又要证不可微??? 221.169.27.205 07/26
3F：推 JimCroce:看错了啦SORRY 219.91.104.243 07/26