Question
Mathematics Question on Adjoint of a Matrix
The characteristic equation of a matrix A is λ3 - 5λ2 - 3λ + 2I = 0 then |adj A| =
A
4
B
25
C
9
D
30
Answer
4
Explanation
Solution
The correct option is (A) : 4.
The characteristic equation of a matrix A is λ3 - 5λ2 - 3λ + 2I = 0 then |adj A| =
4
25
9
30
4
The correct option is (A) : 4.