Use the properties of logarithms to expand the expression as a sum or difference, and/or constant multiple of logarithms. (Assume all variables are positive)

Step-by-step explanation:

First rule I'm going to use is the quotient rule:

Secondly, I'm going to rewrite the radical.

Third, I'm going to use the product rule on the first term:

Fourth, I'm going to use power rule for both of the last two terms:

12cm

the answer is d