問題詳情
4.已知為 
複數等比數列，且 
,其中a,b 為實數 且a>0 .選出正確的選項：
(A)
(B)Z10為實數
(C)z12.z14=4
(D)數列前 12 項的和 z1+z2+........ + z12 =0 •
複數等比數列，且 ,其中a,b 為實數 且a>0 .選出正確的選項：(A)
(B)Z10為實數
(C)z12.z14=4
(D)數列前 12 項的和 z1+z2+........ + z12 =0 •
參考答案
答案：C,D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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