A =
1 2 3 4
5 8 9 3
2 4 0 7
4 3 2 1
b =
1
0
0
1
(1) solve Ax = b for x , (2) find det(A).
Ans.
A =
1 2 3 4
5 8 9 3
2 4 0 7
4 3 2 1
b =
1
0
0
1
(1) solve Ax = b for x , (2) find det(A).
Ans.