Answer and Explanation
Your Answer is
Correct Answer is F
Explanation
According to the second-order determinant formula of the matrix, the original formula=10*12-20*8=-40
54. What is the determinant of the matrix 
?
54. What is the determinant of the matrix ?
Your Answer is
Correct Answer is F
Explanation
According to the second-order determinant formula of the matrix, the original formula=10*12-20*8=-40