Example 4-3-14 - Maple Help



Chapter 4: Partial Differentiation



Section 4.3: Chain Rule



Example 4.3.14



 If $w=f\left(x,y\right)$ and , , obtain ${\left({w}_{r}\right)}^{2}-{\left({w}_{s}/r\right)}^{2}$ in terms of ${f}_{x}$ and ${f}_{y}$.