Hello all - I've been trying to work out an example from a book, and I don't quite understand the math.(adsbygoogle = window.adsbygoogle || []).push({});

show that (δT/δV)s = - (δP/δS)v

solution (δ/δV (δU(S,V)/δS)v)s = (δ/δS(δU(S,V)/δV)s)v

(δ/δV (δ(TdS - PdV)/δS)v)s = (δ/δS(δ(TdS-PdV)/δV)s)v

(δT/δV)s = -(δP/δS)v

I don't understand the substitution or the last step

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# Working with Maxwell's equations

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