Question 1032789
{{{(3-sqrt(3)*i)^4 = (sqrt(3)(sqrt(3)-i))^4 = 9(2*(sqrt(3)/2-i/2))^4 = 144(cos330^o +i*sin330^o)^4}}}

= {{{144(cos1320^o +i*sin1320^o) =144(-1/2 -i*sqrt(3)/2) = -72 - 72sqrt(3)*i}}}