Mathematics
Senior High
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この部分で何が起きていのかわかりません。
教えてください。

3 log + 9x // log 39x log 3 1 3 - -(log3x+2)

Answers

✨ Best Answer ✨

(1/3)=3^(-1)なので
log₃(1/3)=-1
また
log₃9x=(log₃9)+(log₃x)=2+log₃x
よって
log₃9x/log₃(1/3)=2+log₃x/(-1)=-(2+log₃x)

まりん

ありがとうございます!

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