→ wickeday :如果L,M都finite的話，沒有 04/04 16:15
→ wickeday :竟然有 我錯了Orz 04/04 16:24
f(x)--> L as x-->a;
g(y)--> M as y-->b,
but the limit of h(x,y)=f(x)g(y) doesn't exist as (x,y)-->(a,b).
請問各位大大有沒有這的例子，我想了好久...@@
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