[微分] 急問這一題，星期一要考考了

看板trans_math作者andybbbb (小威)時間20年前 (2005/11/13 04:00)推噓0(0推 0噓 0→)

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(a) Suppose that |f(x)| ≦X^2 for all x. Show that f is differentiable at 0. (b) Suppose that g(0)=0 and |g(x)| ≧ √|x| for all x. Show that g can not be differentiable at 0. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.135.215.224

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