Linear Algebra , algebra homework help
use the elementary row operation to reduce the following matrices.
No.1
3 -2 -1
2 -1 -1
4 3 -1
No.2
-2 -4 7
-3 -6 10
1 2 -3
No.3
-1 2 5 3
1 0 -6 1
-1 2 2 -1
No.4
2 3 -2 1 3
1 2 -4 4 1
2 3 0 0 2
-1 2 2 3 6
thats for 1st
and also i have attached the 2nd one
and i need explintion for each one.