Question

Which expression is a cube root of -1 + i√3?


A) 3√2(cos40° + isin40°)

B) 3√2(cos120° + isin120°)

C) 3√4(cos280° + isin280°)

D) 3√3(cos320° + isin320°)


the 3 in front of the √ is supposed to be above the little hook thing on the square root symbol