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
Then 3 A - 4 B =
A
AT
The matrix is non-singular if.
λ ≠ -5
λ ≠ -17
λ ≠ -16
λ ≠ -18
If A = , then A + AT =
The adjoint matrix of