→ po10258:z->0+ =\= z->0- 故不存在 09/13 11:50
→ asdf322505:能寫詳細點嗎?? 09/13 19:39
推 Tall781218:左-1 右1 09/13 20:10
→ cha122977:左極限≠右極限 09/13 20:32
z^2
lim ─── = ?
z→0 ∣z^2∣
ans;不存在
誰能交我怎嚜解?
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