Moore General Relativity Workbook Solutions Link

$$ds^2 = -\left(1 - \frac{2GM}{r}\right) dt^2 + \left(1 - \frac{2GM}{r}\right)^{-1} dr^2 + r^2 d\Omega^2$$

Consider a particle moving in a curved spacetime with metric moore general relativity workbook solutions

$$ds^2 = -dt^2 + dx^2 + dy^2 + dz^2$$