Solve the equation in the complex number system.x5 - 1 = 0
A. 1, cos(36°) + i sin(36°), cos(108°) + i sin(108°), cos(180°)+ i sin(180°), cos(252°) + i sin(252°)
B. -1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°)
C. 1, cos(72°) + i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°),-1
D. 1, cos(72°)+ i sin(72°), cos(144°) + i sin(144°), cos(216°) + i sin(216°), cos(288°) + i sin(288°)
Answer: D
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