Then 3 A - 4 B =
The inverse of a matrix
Which of the following statements is true?
The inverse of non-singular matrix is not zero.
The determinant of non-singular matrix is zero.
If A' = A; then A is a square matrix
If |A| ≠ 0, then |A. adj A| = |A| n-1
If U = [2 -3 4], × = [0 2 3] ,
20
[-20]
-20
[20]
If A = [aij]mxn is a square matrix if
m < n
m > n
m = n
None of these
If ω is the cube root of unity and
If A = , then A + AT =
