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z^3=-i that gives z= -i Give all roots in the form r*e^eiv

Quote: Originally Posted by kalemale z^3=-i that gives z= -i Give all roots in the form r*e^eiv First of all, , but does... Anyway, if , then we have All the roots are evenly spaced about a circle, so have the same radius and are separated by an angle of , so the other angles are and So the three roots are