Patrick B. answered • 09/23/19
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adds row1 to row 2:
1 -1
0 -1/2
adds -2 * row 2 to row 1
1 0
0 -1/2
divides row 2 by -1/2
1 0
0 1
rank = 2
What is the rank of this matrix?
What is the rank of this matrix?
1 -1
-1 1/2
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