10-08-2014
Mathematics

contestada

log 9 (729) = ?,
I know what logarithims are but dont quite understand this one

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Аноним Аноним

10-08-2014

[tex]log_9729=log_99^3=3\\\\log_ab=c\iff a^c=b\\\\log_9729=3\ because\ 9^3=729[/tex]

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Аноним Аноним

10-08-2014

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