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Mathematics 15 Online
OpenStudy (anonymous):

Quick log problem, trivial

OpenStudy (anonymous):

If \[\huge \log_{\sqrt{8}}b=\frac{ 10 }{ 3 }\]

OpenStudy (anonymous):

I am getting 2^5 i am probably incorrect

OpenStudy (anonymous):

@midhun.madhu1987

ganeshie8 (ganeshie8):

plugin b=2^5 and see if it satisfies ?

OpenStudy (anonymous):

\[\large b=\left(8^{1/2}\right)^{10/3}=8^{5/3}=2^5\]

ganeshie8 (ganeshie8):

yes :)

OpenStudy (anonymous):

yes sorry

OpenStudy (anonymous):

no , i was in confusion because the answer given is 2

OpenStudy (anonymous):

but 2^5 seems right

ganeshie8 (ganeshie8):

yeah textbook must be having a typo for b=2, you get \(\large \log_{\sqrt{8} } 2 = \dfrac{\log_2 2}{\log_2 \sqrt{8}} = \dfrac{1}{3/2} \ne \dfrac{10}{3}\)

OpenStudy (anonymous):

no i looked up the wrong answer _-_

OpenStudy (anonymous):

-_-

ganeshie8 (ganeshie8):

lol

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