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In Zee's "Einstein's Gravity in a Nutshell" on page 363, while deriving the Schwarzschild solution, we have
How does it work? How are the rhs and lhs equal? Where does the factor 2 come from, why just one derivative left?
thanks for any replies!
How does it work? How are the rhs and lhs equal? Where does the factor 2 come from, why just one derivative left?
thanks for any replies!