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Mathematics 6 Online
OpenStudy (anonymous):

how to simplify this log stuff?

OpenStudy (anonymous):

\[\log_{1/4} (\sqrt[3]{32})\]

hartnn (hartnn):

first can u write \(\sqrt[3]{32} \) as \((2^5)^{1/3}\)??

OpenStudy (anonymous):

yes and?

hartnn (hartnn):

use the property \(log a^n=nlog a\)

hartnn (hartnn):

so u get \((5/3)log_{1/4}2\) got this ?

OpenStudy (anonymous):

i have to simplify to an exact number

hartnn (hartnn):

oh, that was just intermediate step, its not finished yet, i was just asking whether u understood how i got that.....

hartnn (hartnn):

then use the log property that: \(\large log_ab=\frac{log b}{log a}\)

hartnn (hartnn):

so u get \((5/3)\frac{log 2 }{log 1/4}\) and since \(1/4 = 2^{-2}\) \(\huge(5/3)\frac{log 2 }{log 2^{-2}}\) can u simplify the denominator now ?

OpenStudy (anonymous):

wow u are really a super saiyan

hartnn (hartnn):

u got the answer ?

OpenStudy (anonymous):

ye thx

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