I am having some difficulty figuring out how to work out this problem. I am finding it impossible to get one of the below answer choices.
I need to express the answer in the form of a + bi:
(2 - 2sqrt(3)i)^-3 / ( -1 - i)^3
my possible answers are:
a. 1/128(-1+i)
b. 1/2^7 + 1/2^7i
c. -1/2^8 - 1/2^8i
d. -1/128 - 1/128i
e. none of the above