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Mathematics 10 Online
OpenStudy (anonymous):

how do you expand logs...

OpenStudy (anonymous):

\[ \log_{2} y^{5}/3\]

OpenStudy (anonymous):

is it \[\log_{2}(y ^{5}/3) \]?

OpenStudy (anonymous):

yes!

OpenStudy (anonymous):

\[\huge \color{blue}{Log(\frac{a}{b}) = Log(a) - Log(b)}\] \[\huge \color{red}{Log(a)^b = b \times Log(a)}\]

OpenStudy (anonymous):

\[\huge Log_2\frac{(y^5)}{3} = Log_2(y)^5 - Log_2(3)\]

OpenStudy (anonymous):

Now use the second formula to simplify \(Log_2(y)^5\)..

OpenStudy (anonymous):

5Log(y)...?

OpenStudy (anonymous):

Yes.. Don't forget to write the base(2)..

OpenStudy (anonymous):

\[5\log_{2} y\]

OpenStudy (anonymous):

Yes you are right dear..

OpenStudy (anonymous):

So, total answer becomes: \[\huge \color{pink}{= 5Log_2(y) - Log_2(3)}\]

OpenStudy (anonymous):

thanksss

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