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use the product, quotient, and power rules of logarithms to rewrite the equation as a single logarithm.

use the product, quotient, and power rules of logarithms to rewrite the equation as-example-1
User Jered
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1 Answer

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23 votes

We are given the following expression:


\log a-3\log b+4\log c

we are asked to simplify this expression. To do that we will first use the following property:


a\log b=\log ^{}b^a

we will apply this to the second and third terms, like this:


\log a-\log b^3+\log c^4

Now we will use the following property:


\log a-\log b=\log ((a)/(b))

we will use this property for the first and second terms:


\log ((a)/(b^3))+\log c^4

Now we will use the following property:


\log a+\log b=\log ab

We will use the property in the last two terms, like this:


\log ((ac^4)/(b^3))

And thus, we have simplified the logarithmic expression into one single logarithm

User LMGagne
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