Y si uno tienef=f(x(r,θ),y(r,θ)), que decir, entonces\[\frac{\partial f}{\partial r}=\frac{\partial f}{\partial x}\frac{\partial x}{\partial r}+\frac{\partial f}{\partial y}\frac{\partial y}{...Y si uno tienef=f(x(r,θ),y(r,θ)), que decir, entonces∂f∂r=∂f∂x∂x∂r+∂f∂y∂y∂r,∂f∂θ=∂f∂x∂x∂θ+∂f∂y∂y∂θ.
