I have a relation xy=c(adsbygoogle = window.adsbygoogle || []).push({}); ^{2}, if i apply implicit differentiation to both sides i get dy/dx =-y/x , but if i write the same thing as y=c^{2}/x , then dy/dx comes out to be -c^{2}/x^{2}, whats going wrong ??????

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# 2 different dy/dx of xy=c^2

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