Respuesta :

Solution

[tex]\begin{gathered} \frac{a^3b^5}{a^4b}=\frac{a^3}{a^4}\times\frac{b^5}{b} \\ \\ \frac{a^3b^5}{a^4b}=\frac{1}{a}\times b^4 \\ \\ \frac{a^3b^5}{a^4b}=\frac{b^4}{a} \end{gathered}[/tex]

Therefore, the answer is

[tex]\frac{b^{4}}{a}[/tex]