Question

Which of the following equations uses the properties of logarithms correctly?

Answer 1

Fisrt: Incorrect, this porperty doesn't exist

Second: also incorrect

Third: The correct is 6ln2

The last one is correct, because:

`\begin{gathered} \ln ((9)/(e))=\ln 9-\ln e \\ \ln 3^2-1= \\ 2\ln 3-1 \end{gathered}`