Helzh4Kenzicik Helzh4Kenzicik
  • 21-11-2016
  • Mathematics
contestada

True or False? If x>0 and a>1, then (ln x/ln a) = ln (x/a) Counter example if false.
...?

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antonsandiego
antonsandiego antonsandiego
  • 21-11-2016
It's False!
If a=e and x=1, you'll get: [tex]ln(1)ln(e)=01=0 \neq -1=(−1)ln(e)=ln( e^{-1})=ln(\frac{1}{e} )[/tex]
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