Question 697288
{{{ (x^4* y^-3)^-2/xy}}}


{{{ (x^4* (1/y^3))^-2/xy}}}


{{{ (x^4/y^3)^-2/xy}}}



{{{ (1/(x^4/y^3)^2)/xy}}}



{{{ ((1/(x^8/y^6)))/xy}}}


{{{ (y^6/x^8)/xy}}}


{{{ y^6/(x^8*xy)}}}


{{{ y^cross(6)^5/(x^9*cross(y))}}}


{{{ y^5/x^9}}}