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5. 已知k是實數,兩複數 ,集合 ,,若 A B 是空集合,則k值可能為何? (A) -2 (B) -1 (C)1(D)2。
問題詳情
5. 已知k是實數,兩複數
,集合
,
,若 A
B 是空集合,則k值可能為何?
(A) -2
(B) -1
(C)1
(D)2。
參考答案
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