$\"\"$

\

The logarithm equation is $\"\"$ .

\

$\"\"$

\

Apply product property of logarithm : $\"\"$ .

\

$\"\"$

\

Definition of logarithm is : $\"\"$ if and only if $\"\"$ .

\

$\"\"$

\

$\"\"$ and $\"\"$

\

$\"\"$ and $\"\"$ .

\

$\"\"$

\

Check logarithm equation at $\"\"$ .

\

Substitute $\"\"$ in $\"\"$ .

\

$\"\"$

\

Logarithm equation exist at $\"\"$ .

\

$\"\"$

\

Check logarithm equation at $\"\"$ .

\

Substitute $\"\"$ in $\"\"$ .

\

$\"\"$

\

The domain of logarithm : $\"\"$ .

\

$\"\"$ is not in the domain of logarithm.

\

Hence $\"\"$ is not a solution.

\

$\"\"$

\

The value of $\"\"$ is $\"\"$ .