[分析] 初微(30)

[PttFund (批踢踢基金只進不出)]

Suppose that f is real defined on R satisfying

         lim  ( f(x+h) -f(x-h) ) = 0
        h→0

Does it imply that f is continuous at x?

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◆ From: 140.112.218.142
推 Sfly:note that h--> ∞, 答案顯然是否定的
※ 編輯: PttFund         來自: 140.112.218.142      (07/17 22:09)
推 PttFund:改了 Q____Q