Mathematics
Senior High
基礎問 ⅢC 15
上段の式を下段の式に変換する方法が分かりません。1行でできるものなのでしょうか
(2) z=
1+√3i (1+√3 i)(1−i) (√3+1)+(√3−1)i
=
1+i
(1+i)(1-i)
=√2
+
4
4
√√6+√2 √6-√2
=
2
20
Answers
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