[理工] 工數 複變 可解析問題
大家好 再次問三個關於複變的問題
1.http://ppt.cc/rS9S
我知道可解析是f(z)在區域D中每一點均可微,且為單值函數
可是這題為什麼 1<│z│<2 的區域中為多值函數
Z=0不再裡面吧?
2.http://ppt.cc/S9q0
紅色畫線的地方不太清楚過程,為什麼不是m→無窮大
3.為什麼 │(z^2)-1│<= 2 這個集合是 bounded, closed ,simply connected ?
(圖形不會畫)
這邊觀念不太清楚...希望高手們再次相助。
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