Mathematics
Senior High
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(4)計算過程を教えてもらいたいです💦
ちなみに答えはー2です

- (2) log 45 log 35 8 (4) log0.5 13 - 2 26 2log 0.51 +logo.5 9

Answers

Answers

底がそろっているので、
2log₀.₅(2/3)の2を(2/3)²=4/9として、

log₀.₅(8/13÷4/9×26/9)
=log₀.₅4
=log₀.₅(1/2)⁻²
=log₀.₅(0.5)⁻²
=-2

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