Chapter 14.3, Problem 99E

If $\text{f}\left(\text{x},\text{y}\right)=\text{x}{\left({\text{x}}^2+{\text{y}}^{\text{2}}\right)}^{-3/2}\text{e}{\sin }^{\left({\text{x}}^2\text{y}\right)}$

find f_x(1,0). [Hint: Instead of finding f_x(x, y) first, note that it's easier to use Equation 1 or Equation 2.]