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(1-‪√‬3i)3乗の解き方を教えてください🙇‍♀️

何回計算しても4分の5-2‪√‬3iになってしまいます

Answers

✨ Jawaban Terbaik ✨

(1-√3i)³
= (1-√3i)(1-√3i)(1-√3i)

= (1-2√3i+3i²)(1-√3i)

= (-2-2√3i)(1-√3i)

= -2 -2√3i + 2√3i + 6i²

= -2-6

= -8

こうです🫛

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