Find all solutions of the equation in the complex number system.x3 - 1 = 0
A. {1i, - 
+ 
i, - 
- 
i}
B. {1, - 
+ 
, - 
- 
}
C. {1}
D. {1, - 
+ 
i, - 
- 
i}
Answer: D
Mathematics
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