complex number

👨🏻‍🏫 學術台數學

用戶7639

2011-01-20 10:38 pm

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更新1:

b part 錯了

回答 (1)

用戶25975

2011-01-20 10:53 pm

✔ 最佳答案

a) z* = 64 + 4j (Conjugate)

b) 3/z = 3/(64 - 4j)

= 3(64 + 4j)/[(64 - 4j)(64 + 4j)]

= 3(64 + 4j)/80

= 3(16 + j)/20

2011-01-20 17:26:38 補充：
b) = 3(64 + 4j)/4112
= 3(16 + j)/1028

參考: 原創答案

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收錄日期: 2021-04-23 20:44:43
原文連結 [永久失效]:
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