Logarithmic equations and inequalities

9000003808

Level: 
B
Identify one statement which is true for the following equation. log(x13)log(x3)=1log2
The equation does not have a solution.
The equation has two solutions.
The equation has a unique solution. This solution is a noninteger rational number.
The solution is x=0.
The equation has a unique solution. This solution is a positive integer.
The equation has a unique solution. This solution is a negative integer.