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a ​ lo g b 1 ​ . b ​ lo g c 1 ​ . c ​ lo g a 1 ​ = …

  1. 1 - abc

  2. 1 + abc

  3. fraction numerator 1 over denominator a b c end fraction

  4. 1

  5. -1

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Pembahasan

Ingat! Sifat Logaritma: Maka:

Ingat!

Sifat Logaritma:

log presubscript space presuperscript a space b. log presubscript space presuperscript b space c equals log presubscript space presuperscript a space c  log presubscript space presuperscript a space a equals 1  log presubscript space presuperscript a to the power of n end presuperscript space b to the power of m equals m over n. log presubscript space presuperscript a space b

Maka:

log presubscript space presuperscript a space 1 over b. log presubscript space presuperscript b space 1 over c. log presubscript space presuperscript c space 1 over a equals log presubscript space presuperscript a space b to the power of negative 1 end exponent. log presubscript space presuperscript b space c to the power of negative 1 end exponent. log presubscript space presuperscript c space a to the power of negative 1 end exponent  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals open parentheses negative 1 close parentheses open parentheses negative 1 close parentheses open parentheses negative 1 close parentheses. log presubscript space presuperscript a space b. log presubscript space presuperscript b space c. log presubscript space presuperscript c space a  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals open parentheses negative 1 close parentheses. log presubscript space presuperscript a space a  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals open parentheses negative 1 close parentheses.1  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space minus 1

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