9000020007

Level: 
Project ID: 
9000020007
Accepted: 
1
Clonable: 
0
Easy: 
0
Identify a true statement referring to the solution of the following equation. \[ \sqrt{x^{2 } - 4} = x + 1 \]
The equation does not have a solution in \(\mathbb{R}\).
The equation has a unique negative solution.
The equation has a unique positive solution.
The equation has two solutions.