In "A Short Course in General Relativity", I met a statement that says if we denote the value of the determinant [itex]|g_{ab}|[/itex] by ##g##, then the cofactor of ##g_{ab}## in this determinant is ##gg^{ab}## and following this we can deduce ∂##_cg=####(##∂##_cg_{ab})gg^{ab}##.(adsbygoogle = window.adsbygoogle || []).push({});

First, I don't understand what the first argument is.

Second, if the first argument is true, I don't know how to derive the second one.

Any help would be appreciated!

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# Denote the value of the determinant

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