# how to rewrite logarithm?

• April 27th 2012, 12:09 PM
kukid13
how to rewrite logarithm?
given the logarithm 7^(log7(x^2)-8log7(y)) , how can you rewrite as a single term that doesnt contain a logarithm?
• April 27th 2012, 12:29 PM
SpringFan25
Re: how to rewrite logarithm?
$7^{log_7 x^2 - log_7 y^8}$

$7^{log_7 \frac{x^2}{y^8}}$

can you finish?
• April 27th 2012, 12:43 PM
kukid13
Re: how to rewrite logarithm?
no i can get it there, but thats where i get stuck and cant figure out how to get it into a single term without a log
• April 27th 2012, 01:39 PM
Ivanator27
Re: how to rewrite logarithm?