what is the fourth root of -1? wierdly enough I asked Siri (XD) and she said 0.71...+0.71...i = -1^(1/4). Therefore, (0.71...+0.71...i)^2=i=-1^(1/2)
Divide: 1 / 4 = 1⁄4
Power: 1 ^ 0.25 = 1
z = -1^(1/4) z = -1
