[問題] 一題數學
已知複數z的虛部不為零 且z^3+z+1=0 則
(A)|z|<1
(B)|z|=1
(C)1<|z|<√2
(D)|z|≧√2
感謝解答^^
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※ 編輯: mashimaro363 來自: 114.37.220.90 (10/24 00:12)
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