Question 521317
{{{(3/(5-11i))}}}

multiply by the conjugate

{{{(3(5+11i))/((5-11i)(5+11i))}}}


{{{(15+33i)/((5^2-(11i)^2))}}}

{{{(15+33i)/25-121i^2)

{{{(15+33i)/(25+121)}}}

{{{(15+33i)/146}}} 

{{{(15/146)+(33i/146)}}}

0.0102739726 -0.226027397i