First, thank you for such a quick response. A couple of things;
1. Chris Hillman: according to my book the equation you gave:
V_{\rm GTR}(r) = \left( 1- \frac{2m}{r} \right) \; \left( 1 + \frac{L^2}{r^2} \right)
= 1 \, - \, \frac{2m}{r} \, + \, \frac{L^2}{r^2} \, - \, \frac{2 m \...
i am a physics enthusiast studying general relativity on my own with the book: "Exploring Black Holes: Introduction to General Relativity" by Edwin F. Taylor and John Archibald Wheeler. I am having the hardest time with the fourth chapter of the book and especially the 4th question in that...