Solution (source code)

= Solution

The https://www-thphys.physics.ox.ac.uk/people/AndreiStarinets/TUTORIALS_NOTES_GR/gr-cosmology-exam-paper-2011-solutions.pdf#page=11[official notes, PDF pp. 11–13, handwritten pp. 4–6] derive all four <geodesic equations> and list the twelve nonzero <Christoffel symbols> up to symmetry of the lower indices, using time coordinate $t$.