schimmelcorey schimmelcorey
  • 26-11-2018
  • Mathematics
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Logarithms Question: The answer in the key didnt make sense to me so explain as much as possible, please.

Key Answer: -1, n > 1

Logarithms Question The answer in the key didnt make sense to me so explain as much as possible please Key Answer 1 n gt 1 class=

Respuesta :

gmany
gmany gmany
  • 29-11-2018

[tex]Use:\\\\a^{-1}=\dfrac{1}{a}\\\\\log_ab^n=n\log_ab\\\\\log_aa=1\\------------------------\\\\Domain:n>0\ \wedge\ n\neq1\\\log_n\left(\dfrac{1}{n}\right)=\log_nn^{-1}=-1\log_nn=-1\notin Domain\\\\Answer:\ No\ solution[/tex]

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