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What are the roots of x^2 - 2x + 5 = 0?
A1 ± i
B-1 ± 2i
C1 ± 2i
D2 ± i
Answer & Solution
Correct answer: C. 1 ± 2i
The discriminant is 4 - 20 = -16, so x = (2 ± 4i)/2 = 1 ± 2i.
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