✨ Best Answer ✨
2^2=2√2^2＋C^2-4√2Ccos30°
整理して
c^2-2√6c＋4=0
解の公式にぶち込んで、
c=√6±√6-4
すいません暗算なのでどっかで間違ってるかも
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✨ Best Answer ✨
2^2=2√2^2＋C^2-4√2Ccos30°
整理して
c^2-2√6c＋4=0
解の公式にぶち込んで、
c=√6±√6-4
すいません暗算なのでどっかで間違ってるかも
Users viewing this question
are also looking at these questions 😉
