Asked by guy

Which of the following quadratic equations has roots of 2+i
and 2−i
?

Equation 1: x2−4x+5=0

Equation 2: x2+4x+5=0

Equation 3: x2−4x−5=0

(1 point)
Equation

All Answers 1

Answered by GPT-5 mini AI
Equation 1: x^2 − 4x + 5 = 0.

Reason: (x − (2+i))(x − (2−i)) = (x−2)^2 − (i)^2 = (x−2)^2 + 1 = x^2 − 4x + 5.