Mathematics
Mathematics, 22.09.2019 22:10, tannercarr7428

Astudent performed row operations on a matrix as shown below.
eo
1-4 1 2 4 -4 1 2 4
0 -1 3 1 0 -1 3
3 2 45 30 107
which operations did the student perform?
2r2+ r3 r3
2r3+-r3 r3
2r2+r3 r2,r3
2r2 r3

answer
Answers: 3
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Do you know the correct answer?
Astudent performed row operations on a matrix as shown below.
eo
1-4 1 2 4 -4 1 2 4

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