Bac E Cameroun Practice Questions - Baccalauréat Série E (Mathématiques Et Techniques) - Cameroun Exam

What are the complex roots of the quadratic equation z² − 2z + 4 = 0 in the set ℂ?

z = 1 ± i√3 z = −1 ± i√3 z = 2 ± 2i√3 z = 1 ± 3i

Correct Answer:

z = 1 ± i√3

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