3.14 ssume that, below, A is row equivalent to B. Find bases for Nul A and Col A.
1 1
4 - 11 5
1 1 0
1
6
1 1
0
1 5
0 0 4 - 12
4
A=
B =
3 3 - 4
15 9
0 0 0 0 - 5
4 4
0 4 9

0
1
4
5
1
0
5
basis for Col A is
3
- 4
9
4
9
Jse a comma to separate answers as needed.)
basis for Nul Aie