<s>[INST] The gravitational potential of a point mass is given by \(V(r) = -\frac{GM}{r}\), where \(G\) is the gravitational constant, \(M\) is the mass of the point mass, and \(r\) is the distance from the point mass. Find the gravitational potential difference between two points, \(r_1\) and \(r_2\), relative to the point mass.[/INST]