Rectangular form of imaginary numbers

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Reference no: EM13127463

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

Reference no: EM13127463

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