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log9の5/log9の3(赤字)=2log9の5になる理由教えてください🙇‍♀️

(2) log35= また 015 log, 5 log, 3 1+log,8=log,9 +log,8 = loga3+log;8 = 2log, 5=log, 5²= log, 25

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赤字の分母の部分 log(9)3=1/2
よってlog(9)5/(1/2)=2log(9)5

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