Economics at Zero Marginal Cost: Total Derivative | Problems and Solutions

Saturday, August 15, 2020

Total Derivative | Problems and Solutions

1. Find the total derivative $dz/dy$ of $z=5x+xy+y^2$ , where $x=3y^2$

2. Find the total derivative $dz/dt$ of $z=x^2-8xy-y^3$ , where $x=3t$ and $y=1-t$

3. Find the total derivative $dz/dt$ of $z=7u+vt$ , where $u=2t^2$ and $v=t+1$

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