Question 518014
{{{(4i)/(3+i)}}}......both sides multiply by {{{3-i}}}


{{{((4i)(3-i))/((3+i)(3-i))}}}


{{{(12i-4i^2)/(9-i^2)}}}


{{{(12i-4i^2)/(9-(-1))}}}


{{{(12i-4i^2)/(9+1)}}}


{{{(12i-4i^2)/10}}}


{{{(cross(12)6i-cross(4)2(-1))/cross(10)5}}}


{{{(6i+2)/5}}}


{{{2/5+6i/5}}}