תשובה אחת
i (ab)^8*b*a^2
=---------------------
i (ab)^3



a^8*b^8*b*a^2
=-----------------------
a^3*b^3




a^8*a^3*b^8*b
=-----------------------
a^3*b^3



a^(8+3)*b^(8+1)
=----------------------------
a^3*b^3




a^11*b^9
=--------------
a^3*b^3



a^11 ...b^9
=---- * -------
a^3....b^3



=a^(11-3)*b^(9-3)

a^8*b^6