[分析] 初微(30)
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?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.218.142
推
59.112.100.57 07/17, , 1F
59.112.100.57 07/17, 1F
※ 編輯: PttFund 來自: 140.112.218.142 (07/17 22:09)
推
140.112.218.142 07/17, , 2F
140.112.218.142 07/17, 2F