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Mathematics 12 Online
OpenStudy (anonymous):

logarithm question! help please.

OpenStudy (anonymous):

which logarithm is equal to\[\log _{3}10 - \log _{3}2\]

OpenStudy (campbell_st):

well use the log laws \[\log(\frac{a}{b}) = \log(a) - \log(b)\]

OpenStudy (anonymous):

\[A. \log _{3}20\]

OpenStudy (anonymous):

\[B. \log _{3}12\]

OpenStudy (anonymous):

\[C. \log _{3}8\]

OpenStudy (anonymous):

\[D. \log _{3}5\]

OpenStudy (campbell_st):

so using the log law shown above you get log(10/2) what do you think it might simplify to...

OpenStudy (anonymous):

when i took geometry i didnt pay attention when we leard cos sin log and all those so i dont know what log laws are..

OpenStudy (anonymous):

D

OpenStudy (campbell_st):

well as I've said it becomes \[\log_{3}(\frac{10}{2})\] simplify the fraction for the answer

OpenStudy (anonymous):

ok thank you very much.

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