Question 2: 9 Marks (2.1) Use the reduced row echelon form to verify that
det(-2A)=det(-2A^(T))
.
A=[[3,1,-2],[2,1,-1],[-1,0,-2]].
30 MAT1503/101/0/2024 (2.2) Use inspection to find (Without calculating the determinant)
|[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,3]|
(2.3) Use inspection to find (Without calculating the determinant) (3)
|[1,0,0,0],[0,1,0,0],[0,0,0,1],[0,0,-(1)/(2),0]|