ESE 2021Q75
Q: If A = [1 3 2; 2 0 −1; 1 2 3] then which one of the following is correct?
(a)A³ − 3 A² − 4 A + 11 I = 0
(b)A³ − 4 A² − 3 A + 11 I = 0
(c)A³ + 4 A² − 3 A + 11 I = 0
(d)A³ − 3 A² + 4 A + 11 I = 0
Correct Answer: (d)
Detailed explanation coming soon.