Respuesta :

4-Y/4y is your answer
Here is your answer

[tex]{\frac{1}{y}}^{\frac{-1}{4}}[/tex]

[tex]=\huge {y}^{\frac{1}{4}}[/tex]

where 1/4 is a positive exponent.

REASON:

Using the relation

[tex]{a}^{-n}= {\frac{1}{a}}^{n}[/tex]

HOPE IT IS USEFUL