Problem #$9$:

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

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

$($b$)f_y(3,2,2)$

$($c$)f_z(4,2,3)$

Problem #$9($a$)$: Enter your answer symbolically, as in these examples

Problem #$9($b$)$: Enter your answer symbolically, as in these examples

Problem #$9($c$)$: Enter your answer symbolically, as in these examples

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Submit Problem #$9$ for

$\backslash$table$[[$Problem #$9,$Attempt #$1,$Attempt #$2,$Attempt #$3],[$Your Answer:,$9(a),9(a),9(a)$