(-1)^(1/8) is not a real number, it is imagniary. You are effectively trying to sqaure root a negative number (multiple times due to the 8) which leads to imaginary numbers. Despite the 3/8, it is still not possible.
(-1)^(1/8) is not a real number, it is imagniary. You are effectively trying to sqaure root a negative number (multiple times due to the 8) which leads to imaginary numbers. Despite the 3/8, it is still not possible.
