Question 473452
{{{((a-4)/a^3)/( 2/a - 8/a^2)}}}


{{{((a-4)/a^3)/((2a - 8)/a^2)}}}



{{{(cross(a^2)(a-4))/(a^cross(3)^1*2(a - 4))}}}


{{{(a-4)/(2a(a - 4))}}}


{{{cross((a-4))1/(2a*cross((a - 4)))}}}


{{{1/(2a)}}}