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Clearnote
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Senior High
Mathematics
教えて下さい。どうして以下の「〜より」につ...
Mathematics
Senior High
about 8 yearsago
ゲスト
教えて下さい。どうして以下の「〜より」につながるのかわかりません。
数学iiiの複素数平面です。
Answers
煮干し
about 8 yearsago
2/(1+i)=2/(1+i)×(1−i)/(1−i)=1−i
|(1+i)(z−1+i)|=|(1+i)||(z−1+i)|
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