\fLet A be a 5 X 5 matrix with the following properties: . Row 2 of A is: -4 -2 -1 -1 -4 . Row 3 of A is: 2 2 -5 5 0 Further, let B be a 5 X 5 matrix such that: 10 2 1 5 . The 2nd and 3rd columns of B are: 4 , and 7 respectively. 6 8