Logaritma kelas x, bantuin please.... Question from @mevatri

November 2018 2 114 Report

Logaritma kelas x, bantuin please

Catkocat A²log 1/b . √blog c² . 1/c log a
ngerjainnya dengan mencoret salah satunya karena sifatnya :
a log b x b log a = a log a
oke masuk ke soal

= a²log 1/b . √blog c² . 1/c log a
= a²log b-1 . b1/2log c² . c-1 log a
= (-1/2 .2/1/2 .1/-1) a log b . b log c . c log a
= -1/2 . 2/1/2 . 1/-1
= -2/-1
= 2

horee, smoga bener

0 votes Thanks 1

BringinSuroboyo $$\begin{align} &\Rightarrow{^{\textstyle a^2}}\log\frac{1}{b}\times{^{\textstyle\sqrt b}}\log c^2\times{^{\textstyle\frac{1}{c}}}\log a\\&={^{\textstyle a^2}}\log b^{\textstyle-1}\times{^{\textstyle b^{\textstyle\frac{1}{2}}}}\log c^{\textstyle2}\times{^{\textstyle c^{\textstyle-1}}}\log a\\&=\frac{\not-1}{\not2}\times\frac{\not2}{\textstyle\frac12}\times\frac{1}{\not-1}\times{^{\textstyle a}}\log b\times{^{\textstyle b}}\log c\times{^{\textstyle c}}\log a\\&=\boxed2\ \bold{(c.)} \end$

1 votes Thanks 0

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