Level:
Project ID:
2000002602
Accepted:
0
Clonable:
0
Easy:
1
Consider the equation \(x^4 =1\), where \(x\) is a complex variable. Which of the following statements is true?
The equation has four different complex roots.
The equation has no real root.
The equation has two double roots: \(x_{1,2}=1\) and \(x_{3,4}=-1\).
The equation has the root \(x=1+i\).