Problem #$9$: Let $f(x,y,z)=x^{\frac{y}{z}}.$ Find the value of the following partial derivatives.

$($a$)f_x(4,4,3)$

$($b$)f_y(4,2,2)$

$($c$)f_z(3,3,2)$

Problem #$9($a$)$:

Problem #$9($b$)$:

Problem #$9($c$)$:

Enter your answer symbolically,

as in these examples

Enter your answer symbolically,

as in these examples

Enter your answer symbolically,

as in these examples

Submit Problem #$9$ for Grading