Question Detail
Question
Solve the equation \(x^2 - 2x + 5 = 0\).
Correct Answer
Option A is the correct answer.
Detailed Explanation
Using quadratic formula: x = [2 ± √(4 - 20)]/2 = [2 ± √(-16)]/2 = [2 ± 4i]/2 = 1 ± 2i. So x = 1+2i or 1-2i. Option A is 1+2i (one root).
Hint
Use x = [-b ± √(b²-4ac)]/(2a).