Cubic Equation Complex Root (Jee Mains) | ExamDuo
Ask Doubts
Log in
Algebra and Representation of Complex Numbers
Medium
Cubic Equation Complex Root
If 2 + i is a root of equation x³ – 5x² + 9x – 5 = 0, then the other roots are
SELECT ONE OPTION
A
-1 and 2 + i
B
1 and 2 – i
C
1 and 1 – i
D
-1 and 1 + i
Check
Ask about this question