Question 817197: Hello, I've been really struggling with logarithms.
Express as a single logarithm.
1/2 (log3 (x-5) - log3 x)
Help please! Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Express as a single logarithm.
1/2 (log3 (x-5) - log3 x)
-------------
Correct way to write the problem::
(1/2)log3(x-5) - log3(x)
----
= log3(x-5)^(1/2) - log3(x)
-----
= log3[(x-5)^(1/2)/x]
=====
OR
= log3[sqrt(x-5)/x]
=========================
Cheers,
Stan H.
=============
(