Respuesta :

osikbro

Answer:

3a

Step-by-step explanation:

[tex]\dfrac{9a^3b}{3a^2b}= \\\\\\\dfrac{9}{3}\cdot \dfrac{a^3}{a^2}\cdot \dfrac{b}{b}= \\\\\\3a[/tex]

Hope this helps!
Answer : 3a^5b
Trust me this is the answer