How to calculate the partial derivatives of the composition $F(u(s,t),v(s,t))$?

68 Views Asked by At

enter image description here

Could someone help me to understand how to do this problem?

I believe Partial Derivatives are used. Thanks!

1

There are 1 best solutions below

2
On

Hint. By the chain rule, $$W_s=F_uu_s+F_vv_s\ .$$ Make sure you substitute in the correct values of $s$ and $t$.