問題詳情
16 假設 c 是個複數（complex number），也是常數（constant），並且函數 f (z)的導數 
存在，則 
＝？ 
存在，則 ＝？
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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