SOLUTION: Express {{{e^(log(4,x))}}} as a power of x.

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Question 304781: Express as a power of x.


Answer by Edwin McCravy(20065)   (Show Source): You can put this solution on YOUR website!
Express as a power of x.


Use the change of base formula, where NEW and OLD refer to the
NEW and OLD bases:



We want to use that to change  from OLD base 4 
to NEW base e:



And we realize that  is the same as 

So

 

And therefore



becomes



We write that quotient exponent  as a product 



Now we use the rule 



Next we use the rule  to write the above as



and that is a power of x.

Edwin

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