13 The matrix A and the echelon form of A are provided below. Find a basis for Col A and a basis for Nul A, and then state the dimensions of these subspaces. 1 -3 2 -4 1 -3 -4 -3 A = 9. -1 5 -7 2 -6 4 -3 -4 12 2 7

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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13 The matrix A and the echelon form of A are provided below. Find a basis for Col A and a basis
for Nul A, and then state the dimensions of these subspaces.
1
-3
-4
1
-3
-4
-3
9.
-1
5
-7
A =
2
-6
4
-3
5
-4
12
7
Transcribed Image Text:13 The matrix A and the echelon form of A are provided below. Find a basis for Col A and a basis for Nul A, and then state the dimensions of these subspaces. 1 -3 -4 1 -3 -4 -3 9. -1 5 -7 A = 2 -6 4 -3 5 -4 12 7
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