Hi I was hoping someone could explain how this works to me(adsbygoogle = window.adsbygoogle || []).push({});

I ran across this example in a book

D(p(a)) = S(p(a),a)

Total derivative with respect a

[tex] \frac{dD(p(a))}{dp} \frac{dp}{da}= \frac{\partial S(p(a),a)}{\partial p} \frac{dp}{da} + \frac{\partial S(p(a),a)}{\partial a} [/tex]

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# Total Derivative

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